Question

Which of the following are isoelectronic:
(1) CH3
(II) H30*
(III) NH3
(IV) CH3
(1)1 and 3
(2)3 and 4
(3)1 and 2
(4)2,3 and 4

Answer 1

Answer:

$) CH3</p><p>(II) H30*</p><p>(III) NH3</p><p>(IV) CH3</p><p>(1)1 and 3</p><p>(2)3 and 4</p><p>(3)1 and 2</p><p>(4)2,3 and 4$