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73Q627 92 663 193T700 345Q700 404 656 404H651Q565 404 506 303L499 291L466 157Q433 26 428 16Q415 -11 385 -11Q372 -11 364 -4T353 8T350 18Q350 29 384 161L420 307Q423 322 423 345Q423 404 379 404H374Q288 404 229 303L222 291L189 157Q156 26 151 16Q138 -11 108 -11Q95 -11 87 -5T76 7T74 17Q74 30 112 181Q151 335 151 342Q154 357 154 369Q154 405 129 405Q107 405 92 377T69 316T57 280Q55 278 41 278H27Q21 284 21 287Z",[366,410,412],{"dataMmlNode":376,"transform":411},"translate(1378,0)",[378,413],{"dataC":414,"d":415},"1D45C","M201 -11Q126 -11 80 38T34 156Q34 221 64 279T146 380Q222 441 301 441Q333 441 341 440Q354 437 367 433T402 417T438 387T464 338T476 268Q476 161 390 75T201 -11ZM121 120Q121 70 147 48T206 26Q250 26 289 58T351 142Q360 163 374 216T388 308Q388 352 370 375Q346 405 306 405Q243 405 195 347Q158 303 140 230T121 120Z",[366,417,419],{"dataMmlNode":376,"transform":418},"translate(1863,0)",[378,420],{"dataC":421,"d":422},"1D459","M117 59Q117 26 142 26Q179 26 205 131Q211 151 215 152Q217 153 225 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682Q204 683 299 683Q376 683 387 683T401 677Q612 181 616 168L670 381Q723 592 723 606Q723 633 659 637Q635 637 635 648Q635 650 637 660Q641 676 643 679T653 683Q656 683 684 682T767 680Q817 680 843 681T873 682Q888 682 888 672Q888 650 880 642Q878 637 858 637Q787 633 769 597L620 7Q618 0 599 0Q585 0 582 2Q579 5 453 305L326 604L261 344Q196 88 196 79Q201 46 268 46H278Q284 41 284 38T282 19Q278 6 272 0H259Q228 2 151 2Q123 2 100 2T63 2T46 1Q31 1 31 10Q31 14 34 26T39 40Q41 46 62 46Q130 49 150 85Q154 91 221 362L289 634Q287 635 234 637Z",[366,444,446],{"dataMmlNode":376,"transform":445},"translate(888,0)",[378,447],{"dataC":448,"d":449},"1D44E","M33 157Q33 258 109 349T280 441Q331 441 370 392Q386 422 416 422Q429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35Q443 55 463 131Q469 151 473 152Q475 153 483 153H487Q506 153 506 144Q506 138 501 117T481 63T449 13Q436 0 417 -8Q409 -10 393 -10Q359 -10 336 5T306 36L300 51Q299 52 296 50Q294 48 292 46Q233 -10 172 -10Q117 -10 75 30T33 157ZM351 328Q351 334 346 350T323 385T277 405Q242 405 210 374T160 293Q131 214 119 129Q119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z",[366,451,453],{"dataMmlNode":376,"transform":452},"translate(1417,0)",[378,454],{"dataC":455,"d":456},"1D436","M50 252Q50 367 117 473T286 641T490 704Q580 704 633 653Q642 643 648 636T656 626L657 623Q660 623 684 649Q691 655 699 663T715 679T725 690L740 705H746Q760 705 760 698Q760 694 728 561Q692 422 692 421Q690 416 687 415T669 413H653Q647 419 647 422Q647 423 648 429T650 449T651 481Q651 552 619 605T510 659Q484 659 454 652T382 628T299 572T226 479Q194 422 175 346T156 222Q156 108 232 58Q280 24 350 24Q441 24 512 92T606 240Q610 253 612 255T628 257Q648 257 648 248Q648 243 647 239Q618 132 523 55T319 -22Q206 -22 128 53T50 252Z",[366,458,460],{"dataMmlNode":376,"transform":459},"translate(2177,0)",[378,461],{"dataC":421,"d":422},[366,463,466],{"dataMmlNode":464,"transform":465},"mo","translate(2475,0)",[378,467],{"dataC":468,"d":469},"28","M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z",[366,471,473],{"dataMmlNode":376,"transform":472},"translate(2864,0)",[378,474],{"dataC":475,"d":476},"1D460","M131 289Q131 321 147 354T203 415T300 442Q362 442 390 415T419 355Q419 323 402 308T364 292Q351 292 340 300T328 326Q328 342 337 354T354 372T367 378Q368 378 368 379Q368 382 361 388T336 399T297 405Q249 405 227 379T204 326Q204 301 223 291T278 274T330 259Q396 230 396 163Q396 135 385 107T352 51T289 7T195 -10Q118 -10 86 19T53 87Q53 126 74 143T118 160Q133 160 146 151T160 120Q160 94 142 76T111 58Q109 57 108 57T107 55Q108 52 115 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250Z",[366,492,494],{"dataMmlNode":376,"transform":493},"translate(5277.6,0)",[378,495],{"dataC":441,"d":442},[366,497,500,504],{"dataMmlNode":498,"transform":499},"msup","translate(6165.6,0)",[366,501,502],{"dataMmlNode":376},[378,503],{"dataC":448,"d":449},[366,505,507],{"dataMmlNode":464,"transform":506},"translate(562,363) scale(0.707)",[378,508],{"dataC":509,"d":510},"2B","M56 237T56 250T70 270H369V420L370 570Q380 583 389 583Q402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401 -82 391 -82H389H387Q375 -82 369 -68V230H70Q56 237 56 250Z",[366,512,514],{"dataMmlNode":464,"transform":513},"translate(7327.7,0)",[378,515],{"dataC":468,"d":469},[366,517,519],{"dataMmlNode":376,"transform":518},"translate(7716.7,0)",[378,520],{"dataC":521,"d":522},"1D454","M311 43Q296 30 267 15T206 0Q143 0 105 45T66 160Q66 265 143 353T314 442Q361 442 401 394L404 398Q406 401 409 404T418 412T431 419T447 422Q461 422 470 413T480 394Q480 379 423 152T363 -80Q345 -134 286 -169T151 -205Q10 -205 10 -137Q10 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250Z",[366,553,555],{"dataMmlNode":464,"transform":554},"translate(11496.3,0)",[378,556],{"dataC":468,"d":469},[366,558,560],{"dataMmlNode":376,"transform":559},"translate(11885.3,0)",[378,561],{"dataC":521,"d":522},[366,563,565],{"dataMmlNode":464,"transform":564},"translate(12362.3,0)",[378,566],{"dataC":482,"d":483},[366,568,571],{"dataMmlNode":569,"transform":570},"mstyle","translate(12751.3,0)",[366,572],{"dataMmlNode":573},"mspace",[366,575,577],{"dataMmlNode":376,"transform":576},"translate(14751.3,0)",[378,578],{"dataC":380,"d":381},[366,580,582],{"dataMmlNode":464,"transform":581},"translate(15796,0)",[378,583],{"dataC":584,"d":585},"3D","M56 347Q56 360 70 367H707Q722 359 722 347Q722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153Q722 140 707 133H70Q56 140 56 153Z",[366,587,589,593,597],{"dataMmlNode":397,"transform":588},"translate(16851.8,0)",[378,590],{"dataC":591,"d":592},"37","M55 458Q56 460 72 567L88 674Q88 676 108 676H128V672Q128 662 143 655T195 646T364 644H485V605L417 512Q408 500 387 472T360 435T339 403T319 367T305 330T292 284T284 230T278 162T275 80Q275 66 275 52T274 28V19Q270 2 255 -10T221 -22Q210 -22 200 -19T179 0T168 40Q168 198 265 368Q285 400 349 489L395 552H302Q128 552 119 546Q113 543 108 522T98 479L95 458V455H55V458Z",[378,594],{"dataC":595,"d":596,"transform":404},"38","M70 417T70 494T124 618T248 666Q319 666 374 624T429 515Q429 485 418 459T392 417T361 389T335 371T324 363L338 354Q352 344 366 334T382 323Q457 264 457 174Q457 95 399 37T249 -22Q159 -22 101 29T43 155Q43 263 172 335L154 348Q133 361 127 368Q70 417 70 494ZM286 386L292 390Q298 394 301 396T311 403T323 413T334 425T345 438T355 454T364 471T369 491T371 513Q371 556 342 586T275 624Q268 625 242 625Q201 625 165 599T128 534Q128 511 141 492T167 463T217 431Q224 426 228 424L286 386ZM250 21Q308 21 350 55T392 137Q392 154 387 169T375 194T353 216T330 234T301 253T274 270Q260 279 244 289T218 306L210 311Q204 311 181 294T133 239T107 157Q107 98 150 60T250 21Z",[378,598],{"dataC":599,"d":600,"transform":601},"36","M42 313Q42 476 123 571T303 666Q372 666 402 630T432 550Q432 525 418 510T379 495Q356 495 341 509T326 548Q326 592 373 601Q351 623 311 626Q240 626 194 566Q147 500 147 364L148 360Q153 366 156 373Q197 433 263 433H267Q313 433 348 414Q372 400 396 374T435 317Q456 268 456 210V192Q456 169 451 149Q440 90 387 34T253 -22Q225 -22 199 -14T143 16T92 75T56 172T42 313ZM257 397Q227 397 205 380T171 335T154 278T148 216Q148 133 160 97T198 39Q222 21 251 21Q302 21 329 59Q342 77 347 104T352 209Q352 289 347 316T329 361Q302 397 257 397Z","translate(1000,0)",[366,603,605],{"dataMmlNode":376,"transform":604},"translate(18351.8,0)",[378,606],{"dataC":607,"d":608},"1D458","M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z",[366,610,612],{"dataMmlNode":376,"transform":611},"translate(18872.8,0)",[378,613],{"dataC":614,"d":615},"1D43D","M447 625Q447 637 354 637H329Q323 642 323 645T325 664Q329 677 335 683H352Q393 681 498 681Q541 681 568 681T605 682T619 682Q633 682 633 672Q633 670 630 658Q626 642 623 640T604 637Q552 637 545 623Q541 610 483 376Q420 128 419 127Q397 64 333 21T195 -22Q137 -22 97 8T57 88Q57 130 80 152T132 174Q177 174 182 130Q182 98 164 80T123 56Q115 54 115 53T122 44Q148 15 197 15Q235 15 271 47T324 130Q328 142 387 380T447 625Z",[366,617,619],{"dataMmlNode":464,"transform":618},"translate(19728,0)",[378,620],{"dataC":621,"d":622},"B7","M78 250Q78 274 95 292T138 310Q162 310 180 294T199 251Q199 226 182 208T139 190T96 207T78 250Z",[366,624,626],{"dataMmlNode":376,"transform":625},"translate(20228.3,0)",[378,627],{"dataC":407,"d":408},[366,629,631],{"dataMmlNode":376,"transform":630},"translate(21106.3,0)",[378,632],{"dataC":414,"d":415},[366,634,636,640],{"dataMmlNode":498,"transform":635},"translate(21591.3,0)",[366,637,638],{"dataMmlNode":376},[378,639],{"dataC":421,"d":422},[366,641,644,648],{"dataMmlNode":642,"transform":547,"dataMjxTexclass":643},"TeXAtom","ORD",[366,645,646],{"dataMmlNode":464},[378,647],{"dataC":550,"d":551},[366,649,651],{"dataMmlNode":397,"transform":650},"translate(778,0)",[378,652],{"dataC":400,"d":401},[318,654,655,658,659],{},[322,656,657],{},"影响因素","：\n",[315,660,661,667],{},[318,662,663,666],{},[322,664,665],{},"离子的电荷数","：离子所带的电荷数越多，晶格能越大",[318,668,669,672],{},[322,670,671],{},"离子半径","：离子半径越小，晶格能越大",[318,674,675,676],{},"与离子晶体性质的关系\n",[322,677,678],{},"晶格能越大，形成的离子晶体更稳定，熔点更高，硬度更大",[311,680,681],{"id":681},"离子晶体",[315,683,684,694,697],{},[318,685,686,687,332,690,693],{},"概念：由 ",[322,688,689],{},"阳离子",[322,691,692],{},"阴离子"," 相互作用而形成的晶体",[318,695,696],{},"相互作用力：阴、阳离子间以离子键结合，离子晶体中还可能存在共价键、氢键等",[318,698,699],{},"常见的离子晶体：强碱、活泼金属的氧化物和过氧化物、大部分的盐",[701,702,703,709],"blockquote",{},[704,705,706],"p",{},[322,707,708],{},"离子晶体相关概念理解时的注意点",[315,710,711,774,911,944,947],{},[318,712,713,714,742,743,773],{},"离子晶体中无分子。如 ",[350,715,717],{"className":716,"jax":354},[353],[356,718,722],{"style":358,"xmlns":359,"width":719,"height":720,"role":362,"focusable":363,"viewBox":721},"5.6ex","1.645ex","0 -705 2475 727",[366,723,724],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,725,726,730,734,738],{"dataMmlNode":373},[366,727,728],{"dataMmlNode":376},[378,729],{"dataC":441,"d":442},[366,731,732],{"dataMmlNode":376,"transform":445},[378,733],{"dataC":448,"d":449},[366,735,736],{"dataMmlNode":376,"transform":452},[378,737],{"dataC":455,"d":456},[366,739,740],{"dataMmlNode":376,"transform":459},[378,741],{"dataC":421,"d":422},"、",[350,744,746],{"className":745,"jax":354},[353],[356,747,750],{"style":358,"xmlns":359,"width":748,"height":720,"role":362,"focusable":363,"viewBox":749},"5.174ex","0 -705 2287 727",[366,751,752],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,753,754,758,763,768],{"dataMmlNode":373},[366,755,756],{"dataMmlNode":376},[378,757],{"dataC":455,"d":456},[366,759,761],{"dataMmlNode":376,"transform":760},"translate(760,0)",[378,762],{"dataC":475,"d":476},[366,764,766],{"dataMmlNode":376,"transform":765},"translate(1229,0)",[378,767],{"dataC":455,"d":456},[366,769,771],{"dataMmlNode":376,"transform":770},"translate(1989,0)",[378,772],{"dataC":421,"d":422}," 只表示晶体中阴、阳离子的个数比，为化学式，不是分子式",[318,775,776,777,821,822,910],{},"由金属元素和非金属元素形成的晶体不一定是离子晶体，如 ",[350,778,780],{"className":779,"jax":354},[353],[356,781,786],{"style":782,"xmlns":359,"width":783,"height":784,"role":362,"focusable":363,"viewBox":785},"vertical-align: -0.375ex;","5.752ex","1.994ex","0 -716 2542.6 881.6",[366,787,788],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,789,790,796,801,806],{"dataMmlNode":373},[366,791,792],{"dataMmlNode":376},[378,793],{"dataC":794,"d":795},"1D434","M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z",[366,797,799],{"dataMmlNode":376,"transform":798},"translate(750,0)",[378,800],{"dataC":421,"d":422},[366,802,804],{"dataMmlNode":376,"transform":803},"translate(1048,0)",[378,805],{"dataC":455,"d":456},[366,807,810,814],{"dataMmlNode":808,"transform":809},"msub","translate(1808,0)",[366,811,812],{"dataMmlNode":376},[378,813],{"dataC":421,"d":422},[366,815,817],{"dataMmlNode":397,"transform":816},"translate(331,-150) scale(0.707)",[378,818],{"dataC":819,"d":820},"33","M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z","，是分子晶体；全由非金属元素形成的晶体也可能是离子晶体，如 ",[350,823,825],{"className":824,"jax":354},[353],[356,826,831],{"style":827,"xmlns":359,"width":828,"height":829,"role":362,"focusable":363,"viewBox":830},"vertical-align: -0.452ex;","19.133ex","2.149ex","0 -750 8456.7 950",[366,832,833],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,834,835,839,854,859,864,875,880,891,896],{"dataMmlNode":373},[366,836,837],{"dataMmlNode":376},[378,838],{"dataC":441,"d":442},[366,840,841,847],{"dataMmlNode":808,"transform":445},[366,842,843],{"dataMmlNode":376},[378,844],{"dataC":845,"d":846},"1D43B","M228 637Q194 637 192 641Q191 643 191 649Q191 673 202 682Q204 683 219 683Q260 681 355 681Q389 681 418 681T463 682T483 682Q499 682 499 672Q499 670 497 658Q492 641 487 638H485Q483 638 480 638T473 638T464 637T455 637Q416 636 405 634T387 623Q384 619 355 500Q348 474 340 442T328 395L324 380Q324 378 469 378H614L615 381Q615 384 646 504Q674 619 674 627T617 637Q594 637 587 639T580 648Q580 650 582 660Q586 677 588 679T604 682Q609 682 646 681T740 680Q802 680 835 681T871 682Q888 682 888 672Q888 645 876 638H874Q872 638 869 638T862 638T853 637T844 637Q805 636 794 634T776 623Q773 618 704 340T634 58Q634 51 638 51Q646 48 692 46H723Q729 38 729 37T726 19Q722 6 716 0H701Q664 2 567 2Q533 2 504 2T458 2T437 1Q420 1 420 10Q420 15 423 24Q428 43 433 45Q437 46 448 46H454Q481 46 514 49Q520 50 522 50T528 55T534 64T540 82T547 110T558 153Q565 181 569 198Q602 330 602 331T457 332H312L279 197Q245 63 245 58Q245 51 253 49T303 46H334Q340 38 340 37T337 19Q333 6 327 0H312Q275 2 178 2Q144 2 115 2T69 2T48 1Q31 1 31 10Q31 12 34 24Q39 43 44 45Q48 46 59 46H65Q92 46 125 49Q139 52 144 61Q147 65 216 339T285 628Q285 635 228 637Z",[366,848,850],{"dataMmlNode":397,"transform":849},"translate(864,-150) scale(0.707)",[378,851],{"dataC":852,"d":853},"34","M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z",[366,855,857],{"dataMmlNode":376,"transform":856},"translate(2155.6,0)",[378,858],{"dataC":455,"d":456},[366,860,862],{"dataMmlNode":376,"transform":861},"translate(2915.6,0)",[378,863],{"dataC":421,"d":422},[366,865,867],{"dataMmlNode":642,"dataMjxTexclass":643,"transform":866},"translate(3213.6,0)",[366,868,869],{"dataMmlNode":464},[870,871,742],"text",{"dataVariant":872,"transform":370,"font-size":873,"font-family":874},"normal","884px","serif",[366,876,878],{"dataMmlNode":376,"transform":877},"translate(4213.6,0)",[378,879],{"dataC":441,"d":442},[366,881,883,887],{"dataMmlNode":808,"transform":882},"translate(5101.6,0)",[366,884,885],{"dataMmlNode":376},[378,886],{"dataC":845,"d":846},[366,888,889],{"dataMmlNode":397,"transform":849},[378,890],{"dataC":852,"d":853},[366,892,894],{"dataMmlNode":376,"transform":893},"translate(6369.1,0)",[378,895],{"dataC":441,"d":442},[366,897,899,905],{"dataMmlNode":808,"transform":898},"translate(7257.1,0)",[366,900,901],{"dataMmlNode":376},[378,902],{"dataC":903,"d":904},"1D442","M740 435Q740 320 676 213T511 42T304 -22Q207 -22 138 35T51 201Q50 209 50 244Q50 346 98 438T227 601Q351 704 476 704Q514 704 524 703Q621 689 680 617T740 435ZM637 476Q637 565 591 615T476 665Q396 665 322 605Q242 542 200 428T157 216Q157 126 200 73T314 19Q404 19 485 98T608 313Q637 408 637 476Z",[366,906,908],{"dataMmlNode":397,"transform":907},"translate(796,-150) scale(0.707)",[378,909],{"dataC":819,"d":820},"，等铵盐的晶体为离子晶体",[318,912,913,914,943],{},"离子晶体中一定存在离子键，除离子键外可能有其他类型的化学键。如 ",[350,915,917],{"className":916,"jax":354},[353],[356,918,922],{"style":358,"xmlns":359,"width":919,"height":920,"role":362,"focusable":363,"viewBox":921},"6.941ex","1.643ex","0 -704 3068 726",[366,923,924],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,925,926,930,934,938],{"dataMmlNode":373},[366,927,928],{"dataMmlNode":376},[378,929],{"dataC":441,"d":442},[366,931,932],{"dataMmlNode":376,"transform":445},[378,933],{"dataC":448,"d":449},[366,935,936],{"dataMmlNode":376,"transform":452},[378,937],{"dataC":903,"d":904},[366,939,941],{"dataMmlNode":376,"transform":940},"translate(2180,0)",[378,942],{"dataC":845,"d":846}," 晶体中除有钠离子与氢氧根离子间的离子键外，还有氢氧根离子内氢原子和氧原子间形成的极性共价键",[318,945,946],{},"离子晶体中，每一个离子周围排列的带相反电荷的离子数目都是固定的，不是任意的",[318,948,949],{},"对于超导材料，一般暗示为离子晶体",[338,951,952],{"id":952},"物理性质",[315,954,955,987,996,1005],{},[318,956,957,960,961,964,965,968,969,972,973,976,977,980,981,972,984,986],{},[322,958,959],{},"熔沸点","\n离子晶体具有 ",[322,962,963],{},"较高的熔、沸点","，难挥发。离子晶体中，阴、阳离子间有强烈的相互作用（离子键），要克服离子间的相互作用力使物质熔化或沸腾，就需要较多的能量。因此，离子晶体具有熔、沸点较高和难挥发的性质 > > 注意：> 1. 离子晶体的熔、沸点和硬度与离子键的强弱有关，",[322,966,967],{},"离子键越强","，离子晶体的 ",[322,970,971],{},"熔、沸点越高","，",[322,974,975],{},"硬度越大"," > 2. 离子键的强弱与离子半径和离子所带电荷数有关，",[322,978,979],{},"离子半径越小","，离子所带的 ",[322,982,983],{},"电荷数越多",[322,985,967],{}," >",[318,988,989,992,995],{},[322,990,991],{},"硬度",[322,993,994],{},"离子晶体硬而脆","。离子晶体中，阴、阳离子间存在较强的离子键，使晶体表现出较大的便度，当晶体受到冲击力作用时，部分离子键发生断裂，导致晶体破碎",[318,997,998,1001,1004],{},[322,999,1000],{},"导电性",[322,1002,1003],{},"离子晶体固态时不导电，熔融状态或溶于水后能导电","。离子晶体中离子键较强，离子不能自由移动，即晶体中无自由移动的离子，因此固态时不导电。当温度升高时，阴、阳离子获得足够能量，克服了离子间的相互作用，成为自由移动的离子，在外界电场作用下，离子定向移动而导电\n离子化合物溶于水时，阴、阳离子受到水分子作用变成了自由移动的离子（或水合离子），在外加电场作用下，阴、阳离子定向移动而导电",[318,1006,1007,1010],{},[322,1008,1009],{},"溶解性","\n大多数离子晶体易溶于极性溶剂（如水），难溶于非极性溶剂（如汽油、煤油）。当把离子晶体放在水中时，极性水分子对离子晶体中的离子产生吸引作用，使晶体中的阴、阳离子克服了离子间的相互作用而发生电离，变成在水中自由移动的离子",[311,1012,1013],{"id":1013},"常见离子晶体的结构",[315,1015,1016,1613,2150],{},[318,1017,1018,1043,1044,1049,1074,1075,1102,1103,1129,1130,1146,1147,1102,1170,1129,1193,1206,1207,1232],{},[350,1019,1021],{"className":1020,"jax":354},[353],[356,1022,1023],{"style":358,"xmlns":359,"width":719,"height":720,"role":362,"focusable":363,"viewBox":721},[366,1024,1025],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1026,1027,1031,1035,1039],{"dataMmlNode":373},[366,1028,1029],{"dataMmlNode":376},[378,1030],{"dataC":441,"d":442},[366,1032,1033],{"dataMmlNode":376,"transform":445},[378,1034],{"dataC":448,"d":449},[366,1036,1037],{"dataMmlNode":376,"transform":452},[378,1038],{"dataC":455,"d":456},[366,1040,1041],{"dataMmlNode":376,"transform":459},[378,1042],{"dataC":421,"d":422}," 晶胞\n",[362,1045],{"alt":1046,"src":1047,"style":1048},"","https:\u002F\u002Fptg90phsi6rf8j7h.public.blob.vercel-storage.com\u002Fchemistry\u002F5.1.webp","width:120px",[350,1050,1052],{"className":1051,"jax":354},[353],[356,1053,1054],{"style":358,"xmlns":359,"width":719,"height":720,"role":362,"focusable":363,"viewBox":721},[366,1055,1056],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1057,1058,1062,1066,1070],{"dataMmlNode":373},[366,1059,1060],{"dataMmlNode":376},[378,1061],{"dataC":441,"d":442},[366,1063,1064],{"dataMmlNode":376,"transform":445},[378,1065],{"dataC":448,"d":449},[366,1067,1068],{"dataMmlNode":376,"transform":452},[378,1069],{"dataC":455,"d":456},[366,1071,1072],{"dataMmlNode":376,"transform":459},[378,1073],{"dataC":421,"d":422}," 晶胞如图所示，每个 ",[350,1076,1078],{"className":1077,"jax":354},[353],[356,1079,1084],{"style":1080,"xmlns":359,"width":1081,"height":1082,"role":362,"focusable":363,"viewBox":1083},"vertical-align: -0.023ex;","4.638ex","1.777ex","0 -775.2 2050.1 785.2",[366,1085,1086],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1087,1088,1092],{"dataMmlNode":373},[366,1089,1090],{"dataMmlNode":376},[378,1091],{"dataC":441,"d":442},[366,1093,1094,1098],{"dataMmlNode":498,"transform":445},[366,1095,1096],{"dataMmlNode":376},[378,1097],{"dataC":448,"d":449},[366,1099,1100],{"dataMmlNode":464,"transform":506},[378,1101],{"dataC":509,"d":510}," 周围距离最近的 ",[350,1104,1106],{"className":1105,"jax":354},[353],[356,1107,1111],{"style":358,"xmlns":359,"width":1108,"height":1109,"role":362,"focusable":363,"viewBox":1110},"3.826ex","1.804ex","0 -775.2 1691.1 797.2",[366,1112,1113],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1114,1115,1119],{"dataMmlNode":373},[366,1116,1117],{"dataMmlNode":376},[378,1118],{"dataC":455,"d":456},[366,1120,1121,1125],{"dataMmlNode":498,"transform":760},[366,1122,1123],{"dataMmlNode":376},[378,1124],{"dataC":421,"d":422},[366,1126,1127],{"dataMmlNode":464,"transform":547},[378,1128],{"dataC":550,"d":551}," 有 ",[350,1131,1133],{"className":1132,"jax":354},[353],[356,1134,1138],{"style":358,"xmlns":359,"width":1135,"height":1136,"role":362,"focusable":363,"viewBox":1137},"1.131ex","1.557ex","0 -666 500 688",[366,1139,1140],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1141,1142],{"dataMmlNode":373},[366,1143,1144],{"dataMmlNode":397},[378,1145],{"dataC":599,"d":600}," 个，构成正八面体。每个 ",[350,1148,1150],{"className":1149,"jax":354},[353],[356,1151,1152],{"style":358,"xmlns":359,"width":1108,"height":1109,"role":362,"focusable":363,"viewBox":1110},[366,1153,1154],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1155,1156,1160],{"dataMmlNode":373},[366,1157,1158],{"dataMmlNode":376},[378,1159],{"dataC":455,"d":456},[366,1161,1162,1166],{"dataMmlNode":498,"transform":760},[366,1163,1164],{"dataMmlNode":376},[378,1165],{"dataC":421,"d":422},[366,1167,1168],{"dataMmlNode":464,"transform":547},[378,1169],{"dataC":550,"d":551},[350,1171,1173],{"className":1172,"jax":354},[353],[356,1174,1175],{"style":1080,"xmlns":359,"width":1081,"height":1082,"role":362,"focusable":363,"viewBox":1083},[366,1176,1177],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1178,1179,1183],{"dataMmlNode":373},[366,1180,1181],{"dataMmlNode":376},[378,1182],{"dataC":441,"d":442},[366,1184,1185,1189],{"dataMmlNode":498,"transform":445},[366,1186,1187],{"dataMmlNode":376},[378,1188],{"dataC":448,"d":449},[366,1190,1191],{"dataMmlNode":464,"transform":506},[378,1192],{"dataC":509,"d":510},[350,1194,1196],{"className":1195,"jax":354},[353],[356,1197,1198],{"style":358,"xmlns":359,"width":1135,"height":1136,"role":362,"focusable":363,"viewBox":1137},[366,1199,1200],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1201,1202],{"dataMmlNode":373},[366,1203,1204],{"dataMmlNode":397},[378,1205],{"dataC":599,"d":600}," 个，构成正八面体，由此可推知晶体的化学式为 ",[350,1208,1210],{"className":1209,"jax":354},[353],[356,1211,1212],{"style":358,"xmlns":359,"width":719,"height":720,"role":362,"focusable":363,"viewBox":721},[366,1213,1214],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1215,1216,1220,1224,1228],{"dataMmlNode":373},[366,1217,1218],{"dataMmlNode":376},[378,1219],{"dataC":441,"d":442},[366,1221,1222],{"dataMmlNode":376,"transform":445},[378,1223],{"dataC":448,"d":449},[366,1225,1226],{"dataMmlNode":376,"transform":452},[378,1227],{"dataC":455,"d":456},[366,1229,1230],{"dataMmlNode":376,"transform":459},[378,1231],{"dataC":421,"d":422},[315,1233,1234,1358,1437],{},[318,1235,1236,1237,1289,1290,1335,1336,1357],{},"每个 ",[350,1238,1240],{"className":1239,"jax":354},[353],[356,1241,1245],{"style":429,"xmlns":359,"width":1242,"height":1243,"role":362,"focusable":363,"viewBox":1244},"10.225ex","2.32ex","0 -775.2 4519.3 1025.2",[366,1246,1247],{"stroke":368,"fill":368,"stroke-width":369,"transform":370},[366,1248,1249,1253,1263,1268,1273,1284],{"dataMmlNode":373},[366,1250,1251],{"dataMmlNode":376},[378,1252],{"dataC":441,"d":442},[366,1254,1255,1259],{"dataMmlNode":498,"transform":445},[366,1256,1257],{"dataMmlNode":376},[378,1258],{"dataC":448,"d":449},[366,1260,1261],{"dataMmlNode":464,"transform":506},[378,1262],{"dataC":509,"d":510},[366,1264,1266],{"dataMmlNode":464,"transform":1265},"translate(2050.1,0)",[378,1267],{"dataC":468,"d":469},[366,1269,1271],{"dataMmlNode":376,"transform":1270},"translate(2439.1,0)",[378,1272],{"dataC":455,"d":456},[366,1274,1276,1280],{"dataMmlNode":498,"transform":1275},"translate(3199.1,0)",[366,1277,1278],{"dataMmlNode":376},[378,1279],{"dataC":421,"d":422},[366,1281,1282],{"dataMmlNode":464,"transform":547},[378,1283],{"dataC":550,"d":551},[366,1285,1287],{"dataMmlNode":464,"transform":1286},"translate(4130.3,0)",[378,1288],{"dataC":482,"d":483}," 周围距离相等且最近的 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