Isoelectronic Series Review

Front

What happens to an atom when it loses electrons?

Back

It becomes positive.

Front

Which chemical species has the same electron configuration as a 2+ ion of Mg?

Back

Na⁺

Front

What happens to an atom when it gains electrons?

Back

It becomes negative.

Front

Which atom is isoelectronic with Neon?

Back

F^1-

Front

What does isoelectronic mean?

Back

Group of atoms or ions have the same electronic configuration.

Front

What is the electron configuration of a neutral Magnesium (Mg) atom?

Back

1s² 2s² 2p⁶ 3s²

Front

How many electrons does a Mg²⁺ ion have?

Back

10 electrons.

Front

Which of the following ions is isoelectronic with Ne: O^2-, Na⁺, or Cl^-?

Back

O^2- and Na⁺ are isoelectronic with Ne.

Front

What is the charge of an ion that has gained two electrons?

Back

Negative 2 charge (2-).

Front

What is the electron configuration of Na⁺?

Back

1s² 2s² 2p⁶.