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8 Cards in this Set
- Front
- Back
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Element |
A pure substance that cannot be broken down chemically into any other substance |
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Atoms |
Individual component pieces of an element; a particle of matter that cannot be further subdivided without losing its essential properties. |
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Matter |
Anything that has mass and takes up space |
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Atomic nucleus |
The central and most massive part of an atom, usually made up of two particles, protons and neutrons, which move about within the nucleus. |
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Protons |
A positively charged particle in the atomic nucleus |
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Neutrons |
An electrically neutral particle that moves around the atomic nucleus |
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Atomic mass |
The mass of an atom; the combined mass of the protons, neutrons, and electrons in an atom |
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Subatomic particles |
Are protons, neutrons, and electrons |
