Victory for the ACT Student Text 15e

L ESSON 3 | C ONFLICTING V IEWPOINTS • 321 •…‹‡–‹•– •‡‡‹‰ –‘ ‡š’Žƒ‹ ™Š› Š‡‘”› 2 has more predictive power than Theory ͳ ‹‰Š– ƒ”‰—‡ –Šƒ–ǣ Ǥ eight electrons shall represent a Dz…Ž‘•‡† •Š‡ŽŽǤdz Ǥ while eight electrons represent a Dz…Ž‘•‡† •Š‡ŽŽdz ˆ‘” •‘‡ ƒ–‘•ǡ ˆ‘” ‘–Š‡”• –Š‡…Ž‘•‡† •Š‡ŽŽ ƒ› „‡ •‹šǡ –‡ǡ ‘” –™‡Ž˜‡Ǥ Ǥ ‹– ‹• ‹…‘””‡…– –‘ ƒ••—‡ –Šƒ– ƒ ‰‹˜‡ ƒ–‘ ƒŽ™ƒ›• Šƒ• –Š‡ •ƒ‡ —„‡” ‘ˆ ‡Ž‡…–”‘• ƒ”‘—† ‹–Ǥ Ǥ CH 4 ‹• ‘– ƒ• ‹’‘”–ƒ– ƒ…‘’‘—† as XeF 4 Ǥ Š‡‘”› ʹ…‘—Ž† „‡ –Š”‡ƒ–‡‡† „› evidence of: Ǥ –Š‡ ‡š‹•–‡…‡ ‘ˆ SF 4 Ǥ Ǥ –Š‡ ‡š‹•–‡…‡ ‘ˆ XeF 5 Ǥ Ǥ ‘Ž‡…—Ž‡• ™‹–Š •–ƒ„Ž‡ ‘…–‡–•Ǥ Ǥ –Š‡ ‡š‹•–‡…‡ ‘ˆ SF 6 Ǥ

……‘”†‹‰ –‘ Š‡‘”› ͳǡ –Š‡…‘’‘—† CH Cl 2 2 : Ǥ •Š‘—Ž† Šƒ˜‡ ‡‹‰Š– ‡Ž‡…–”‘• •—””‘—†‹‰ –Š‡…ƒ”„‘ ƒ–‘Ǥ Ǥ …ƒ‘– ‡š‹•– •‹…‡ –Š‡ ‘”‹‰‹ƒŽ…ƒ”„‘ ƒ–‘ †‘‡• ‘– Šƒ˜‡ ‡‹‰Š– ‡Ž‡…–”‘•Ǥ Ǥ •Š‘—Ž† Šƒ˜‡ ‡‹‰Š– ‡Ž‡…–”‘• •—””‘—†‹‰ ‡ƒ…Š Š›†”‘‰‡ ƒ–‘Ǥ Ǥ ”‡“—‹”‡• ‘”‡ ‡Ž‡…–”‘• ˆ‘” •–ƒ„‹Ž‹–›Ǥ ……‘”†‹‰ –‘ Š‡‘”› ͳǡ –Š‡…‘’‘—† XeF 4 : Ǥ ‡š‹•–• ™‹–Š ƒ ‘…–‡– •–”—…–—”‡ ƒ”‘—† –Š‡ š‡‘ ƒ–‘Ǥ Ǥ •Š‘—Ž† ‘– ‡š‹•– •‹…‡ ‘”‡ –Šƒ ‡‹‰Š– ‡Ž‡…–”‘• •—””‘—† –Š‡ š‡‘ ƒ–‘Ǥ Ǥ ™‹ŽŽ Šƒ˜‡…Š‡‹…ƒŽ ’”‘’‡”–‹‡• •‹‹Žƒ” to those of CH 4 Ǥ Ǥ ‡š‹•–• ™‹–Š –Š‡ š‡‘ ƒ–‘ •—””‘—†‡† „› –™‡Ž˜‡ ‡Ž‡…–”‘•Ǥ Š‡ „‘”‘ ƒ–‘ Šƒ• –Š”‡‡ ‘—–‡” ‡Ž‡…–”‘•ǡ ƒ† ‹ „‘†‹‰ –‘ „‘”‘ǡ ƒ ϐŽ—‘”‹‡ ƒ–‘ Šƒ• ƒ •‹‰Ž‡ǡ —’ƒ‹”‡† ‡Ž‡…–”‘ –‘ „‘† ™‹–Š ƒ „‘”‘ ƒ–‘Ǥ Š‡ BF 3 ‘Ž‡…—Ž‡ ‹• ‘™ –‘ ‡š‹•–Ǥ Š‹…Š ‘ˆ –Š‡ ˆ‘ŽŽ‘™‹‰ ‹• –”—‡ǫ Ǥ 3 ‘„‡›• Š‡‘”› ͳǤ Ǥ Š‡ ‡š‹•–‡…‡ ‘ˆ 3 contradicts Š‡‘”› ʹǤ Ǥ ……‘”†‹‰ –‘ Š‡‘”› ʹǡ –Š‡ •–”—…–—”‡ ‘ˆ 3 is a pyramid: Ǥ ……‘”†‹‰ –‘ Š‡‘”› ʹǡ –Š‡ •–”—…–—”‡ of BF 3 ‹• –”‹ƒ‰—Žƒ” ƒ† ’Žƒƒ”ǣ

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