The ion that has the same e - arrangement as Ar:

A k+

B CL-

C S2-

D Ca2+

E all of these

Question

Avery Frey

Chemistry

14 April, 03:58

The ion that has the same e - arrangement as Ar:

A k+

B CL-

C S2-

D Ca2+

E all of these

+1

Answers (2)

Know the Answer?

Paul Gilbert · Answer 1

the answer is E - all of these

to check if these ions have the same e - configuration, check them in the periodic table and see where they land when you take or add electrons.

for example, K is one space away to be like Ar, which is just one space behind. having a positive charge + 1, means that it has one less electron. if you remove this electron, it is like Ar because is one space.

another example-> S-2 means you have add two electrons because charge is negative, so you add. two spaces after S land in Ar. so it is same e - configuration as Ar.

Vivian · Answer 2

Well, I recommend reading the text : P

The ion that has the same e - arrangement as Ar:A k+B CL-C S2-D Ca2+E all of these

The ion that has the same e - arrangement as Ar:

A k+

B CL-

C S2-

D Ca2+

E all of these