Question

Which statement about subatomic particles is NOT true?

A.) Protons and neutrons have almost the same mass.
B.) Protons and electrons have opposite charges.
C.) Unlike protons and electrons, neutrons have no charge.
D.) Protons and neutrons have the same charge.

Answer 1

How many neutrons are in the isotope carbon-14?

A.) 6
B.) 8
C.) 12
D.) 14

Answer 2

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Answer 3

1. A
2. C
3. D