McGraw-Hill Online Learning Center Test<BLURT>

McGraw-Hill Online Learning Center Test



1. Review the animation and answer the following questions.

The nucleus of an atom is composed of

A. neutrons.
B. protons.
C. electrons.
D. neutrons and protons.



2. There is a relationship between the number of protons and the number of electrons found in an atom. Because of this, all atoms A. carry a net negative charge.
B. carry a net positive charge.
C. are electrically neutral
D. are variable in their electrical charge.



3. The chlorine (Cl) atom has a total of 17 electrons. How many electrons are found in the middle electron shell? A. 2
B. 8
C. 10
D. 17


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