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8 Cards in this Set
- Front
- Back
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Chemistry |
The study of matter and energy |
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Atom |
A particle of matter that can not be divided. The nucleus is in the center and surrounded by empty space |
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Elements |
Matter that is made of only one kind of atom |
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Electron |
Negatively charged particles in the atom. Move randomly through the atom constantly |
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Nucleus |
Center of the atom. Has a positive charge |
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Protons |
Positively charged particles in the nucleus of an atom |
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Neutron |
Neutrally charged particle in the atom. Have the same mass as the the protons. **A neutral atom has the same number of protons and neutrons |
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Electron Cloud |
The region surrounding the nucleus where the electrons travel |
