formulas and laws derp
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- gram to mol
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grams of element
X
1 mol
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mass #
=
mol - atoms to mol
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atoms
X
1 mol
------
avogadros number 6.022 x 10 to the 23rd power
=
mol - mol to mass
-
moles of element
-----------------
1 mol
X
mass #
=
grams of element - points of atomic theory
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1. All matter is composed of extremely small particles called atoms.
2. All atoms of a given element are identical in size, mass, and other properties. Atoms of different elements differ in size, mass, and other properties.
3. Atoms cannot be subdivided, created, or destroyed.
4. Atoms of different elements can combine in simple, whole-number ratios to form compounds.
5. In chemical reactions, atoms are combined, separated, or rearranged.