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25 Cards in this Set
- Front
- Back
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Matter |
anything that has mass and volume |
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Mass |
the amount of matter in an object |
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Volume |
the amount of space an object takes up |
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Atom |
smallest unit of matter |
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Atomic Mass |
the mass of an atom (containing protons, neutrons, and electrons) |
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Atomic Number |
the number of protons in an atom |
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Charge |
either positive, negative, or neutral |
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Protons |
the positive part of an atom. |
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Energy Levels |
the rings around the nucleus of an atom model |
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Electron Cloud |
the location of electrons |
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Electrons |
the negative part of an atom |
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Mass Number |
mass of the protons and the neutrons only |
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Neutrons |
the part of an atom that does not have a charge |
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Nucleus |
center of an atom with a positive charge |
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Particle |
smallest part of an atom. |
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React/Reactivity |
how something interacts with something else |
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Valence Electrons |
Electrons in the outermost energy level |
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Density |
the amount of matter in a given amount of space |
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Composition |
The way in which a whole or a mixture is made up. |
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States of Matter |
Distinct form of matter such as solid, liquid, or gas. |
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Group |
Goes Up and Down on the Periodic Table, Tellshow reactive an element is and similar properties |
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Period |
Goes from Side to Side on the Periodic Table andtells the number of energy levels |
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Photosynthesis |
A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction converts carbon dioxide and water into sugar (glucose). |
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Bohr Model |
Niels Bohr and Rutherford's model depict an atom as a small, positively charged nucleus surrounded by electrons. These electrons travel in circular orbits around the nucleus. |
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Total Particles |
The sum of the number of Protons, Neutrons, and Electrons Protons + Neutrons + Electrons = Total Particles |
