McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

How many electrons are required by energy level L for this level to be filled?

A. 2
B. 8
C. 10
D. 16


2. What energy level(s) must be filled with electrons before level M can hold electrons?

A. level N
B. level L
C. level K
D. levels K and L


3. How many protons are in the nucleus of an electrically neutral atom that has filled energy shells K, L, and M?

A. 10
B. 12
C. 18
D. 20
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