Course

Anatomy & Physiology

Study Pack

Set 2 The Chemical Level Of Organization

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Question 1

(Multiple Choice)

Free
Electrons whirl around the center of the atom at high speed, forming a(n)

A) spiral.
B) figure 8.
C) cylinder.
D) electron cloud.
E) helix.

Answer

Question 2

(Multiple Choice)

Free
The innermost electron shell in an atom holds up to ________ electrons.

A) 1
B) 2
C) 4
D) 6
E) 8

Answer

Question 3

(Multiple Choice)

Free
The smallest stable units of matter are

A) atoms.
B) molecules.
C) protons.
D) neutrons.
E) electrons.

Answer