2
practice testMultiple Choice

Practice Test

Question 2 • Physical Science

How do the nuclei of covalently bonded atoms help keep the bond together?

Answer
A
Neutral particles in the nucleus provide enough mass that the force of gravity holds the atoms together.
B
Neutral particles in the nucleus can become positive or negative in order to balance the charges.
C
Positive particles in the nucleus are attracted to shared electrons, so the atoms stay close together.
D
Positive particles in the nucleus change into negative particles that enter electron shells.
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