ATOMS

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Last updated 7:05 AM on 6/15/26
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6 Terms

1
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What is a proton's charge?

Positive (+1).

2
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Which subatomic particle is 2,000 times smaller than a proton?

The electron.

3
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If an atom loses an electron, is it now a positive or negative ion?

Positive ion.

4
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What does the mass number represent?

The sum of protons and neutrons in the nucleus.

5
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How do you calculate the number of neutrons?

Mass number minus atomic number.

6
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What determines the identity of an element?

The number of protons (atomic number).