14) A. If an element with the valence configuration 4s23d8 loses 2 electron(s), these electron(s) would be removed from the

subshell(s).

B. An element with the valence electron configuration 5s25p5 would form a monatomic ion with a charge of
.
In order to form this ion, the element will

electron(s) from/into the

subshell(s)

15) A monatomic ion with a charge of -1 has an electronic configuration of 1s22s22p63s23p64s23d104p6.

This ion is a(n)

.

What is the chemical symbol of the noble gas this ion is isoelectronic with?

What is the formula of the ion?

16) A monatomic ion with a charge of +1 has an electronic configuration of 1s22s22p6.

This ion is a(n)

.

What is the chemical symbol of the noble gas this ion is isoelectronic with?

What is the formula of the ion?

17)A monatomic ion with a charge of -2 has an electronic configuration of 1s22s22p6.

This ion is a(n)

.

What is the chemical symbol of the noble gas this ion is isoelectronic with?

What is the formula of the ion?