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17 Cards in this Set
- Front
- Back
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Matter |
Anything that takes up space and has mass |
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Elements |
Substances that cannot be broken down into simpler substances by chemical means |
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Atom |
Smallest part of element that displays element properties |
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Protons |
Positive charged, in nucleus, 1amu |
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Neutrons |
No charge, in nucleus, 1amu |
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Electrons |
Negatively charged, move in energy levels, 0 amu |
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Isotope |
Atoms of same element with different number of neutrons |
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Molecules |
Two or more of the same elements bond together |
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Compounds |
Two or more different elements bond together |
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Chemical bond |
interaction between two or more elements |
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Covalent bond |
Atoms share electrons in a way that each have an octet of electrons in outer orbital |
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Electronegativity |
Attraction of atom for electrons in a covalent bond |
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Cohesive |
Molecules of the same bonding together |
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Adhesive |
Atteaction of Two different molecules |
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Acid |
Substance that release hydrogen ions when in water |
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Bases |
Molecules that release hydroxide ions |
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Ph scale |
Indicates acidity or alkalinity of a solution |
