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7 Cards in this Set
- Front
- Back
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conservation of mass |
matter 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 |
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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 |
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mole |
the number of atoms of substance equal to atoms in 12g of carbon |
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bias |
influence in favor of or against something usually in a way to be unfair |
