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10 Cards in this Set
- Front
- Back
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What are atoms |
Very tiny particles |
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What are particles smaller than atoms |
Sub-atomic particles |
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What are found in the nucleus of an atom |
Protons and neutrons |
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What are found in the cloud of an atom |
Electrons |
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What charge do protons have |
Positive |
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What charge do electrons have |
Negative |
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What charge do neutrons have |
Neutral |
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How many electrons can go on the first ring of a Bohr model |
2 |
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What is the atomic number of an element |
The number of protons In an element which is the same as the number of electrons |
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What is the mass number of an element |
The number of protons and neutrons in an atom |
