Question

15.
The hydride ion is isoelectronic with
1)H 2) Het 3) He 4) Be.plse answer this​

Answer 1

Explanation:

The hydride ion is isoelectronic with He.

Because as the symbol is H^-

we already know that hydrogen have one electron, so when there is a power of minus we will say that it gained a electron. so the number electrons is 2 right now

so, it is isoelectronic with He

Hope it helps you