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7 Cards in this Set
- Front
- Back
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conservation of mass |
a principle stating that mass cannot be created or destroyed. |
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hypothesis |
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation. |
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independent variable |
a variable (often denoted by x ) whose variation does not depend on that of another. |
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atomic number |
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table. |
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atomic weight |
the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes. |
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mole |
the number of atoms of substance equal to the the number of atoms in 12g of carbon |
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bias |
influance |
