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7 Cards in this Set
- Front
- Back
Conservation of mass |
Matter that is not created or destroyed during a chemical reaction |
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Hypothesis |
A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation |
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Independent variable |
the one factor a scientist changes in an expiriment |
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Atomic number |
the number of protons in the nucleus of an atom |
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Atomic weight |
the average mass of all the isotopes of an element |
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Mole |
the number of atoms substance equal to the number of atoms in 12g of carbon |
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Bias |
Influence in favor of or against something, usually in a way considered to be unfair |