Classification. The various energy levels in an atom of magnesium ( 24 Mg) have different numbers of electrons. Use the numbers below to answer the following questions.
-The number of electrons in the first energy level
A)1
B)2
C)3
D)6
E)8

Question

Quizplus · Accepted Answer

The first energy level of an atom can hold a maximum of 2 electrons, and since magnesium is a larger atom, its first energy level is fully occupied with 2 electrons.