An ion has 18 electrons in the outermost shell it is

An ion that has 18 electrons in the outermost shell is

An ion that has 18 electrons in the outermost shell is

Element A has 3 electrons in the outermost shell and element B has 6 electrons in the outermost shell. what is the formula of the compound.

An element has 18 electrons in the outer most shell. The element is

Element A has 2 electrons in the outermost orbit and element B has 6 electrons in the outermost shell. The formula of the compound formed between A and B would be

Which elements contains 5 electrons in the outermost shell?

Which is the element that has 5 p electrons in the outermost shell?

An atom of the element A has 3 electrons in its outermost shell while another atom X has 6 electrons in its outermost shell. The formula of the compound between A and X could be