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13 Cards in this Set
- Front
- Back
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ATOM |
THE SMALLEST PARTICLE INTO WHICH AN ELEMENT CAN BE DIVIDED AND STILL HAVE THE PROPERTIES OF THAT ELEMENT |
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PROTON |
A (+) POSITIVELY- CHARGED PARTICLE THAT IS LOCATED IN THE NUCLEUS OF AN ATOM with Mass of 1 |
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NEUTRON |
A PARTICLE WITH NO CHARGE THAT IS LOCATED IN THE NUCLEUS OF THE ATOM with Mass of 1 |
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ELECTRON |
A (-) NEGATIVELY-CHARGED PARTICLE THAT IS LOCATED OUTSIDE OF THE NUCLEUS in Energy Levels OF THE ATOM with Mass of 0 |
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NUCLEUS |
THE CENTER OF AN ATOM, CONTAINING THE PROTONS AND NEUTRONS. |
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ELECTRON CLOUD |
THE REGION INSIDE AN ATOM WHERE ELECTRONS MAY BE FOUND. |
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VALENCE ELECTRONS |
*THE ELECTRONS IN THE OUT MOST ENERGY LEVEL( outer shell) OF AN ATOM *determined by Group# *determines an atoms REACTIVITY |
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ATOMIC NUMBER |
THE NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM. |
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ATOMIC MASS |
THE AVERAGE MASS OF ONE ATOM OF AN ELEMENT. |
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ELEMENT |
A PURE SUBSTANCE THAT CANNOT BE SEPARATED INTO SIMPLER SUBSTANCES BY PHYSICAL OR CHEMICAL MEANS. |
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COMPOUND |
A SUBSTANCE MADE OF TWO OR MORE ELEMENTS THAT ARE CHEMICALLY COMBINED. |
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MASS OF AN ATOM |
DETERMINED BY PROTONS AND NEUTRONS |
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IDENTITY OF AN ATOM |
DETERMINED BY PROTONS |
