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5 Cards in this Set
- Front
- Back
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atom |
the basic unit of a chemical element
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nucleus |
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass. |
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element |
part or aspect of something abstract, especially one that is essential or characteristic.
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isotope |
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
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compound |
oteret |
