Which of the following species are isoelectro | vedclass

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(B) To determine if species are isoelectronic,we calculate the total number of electrons in each:$I. CH_3^+: 6 + 3 - 1 = 8 	ext{ electrons}$$II. NH_2

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$II, III, IV$

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(B) To determine if species are isoelectronic,we calculate the total number of electrons in each:$I. CH_3^+: 6 + 3 - 1 = 8 	ext{ electrons}$$II. NH_2^-: 7 + 2 + 1 = 10 	ext{ electrons}$$III. NH_4^+: 7 + 4 - 1 = 10 	ext{ electrons}$$IV. NH_3: 7 + 3 = 10 	ext{ electrons}$Species $II$,$III$,and $IV$ all have $10$ electrons,so they are isoelectronic.

Which of the following species are isoelectronic?
$I. CH_3^+$
$II. NH_2^-$
$III. NH_4^+$
$IV. NH_3$

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Which of the following species are isoelectronic?$I. CH_3^+$$II. NH_2^-$$III. NH_4^+$$IV. NH_3$