stoichiometry Word Scramble
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| Question | Answer |
| atomic mass | mass of one atom of an element |
| average atomic mass or relative atomic mass | mass of an atom compared with a carbon-12 atom |
| isotopes | two or more forms of the same element, with equal proton number and different neutron number |
| formula mass or molecular mass | the sum of all atomic masses in a formula |
| mole | a part of the macro world. one mole is equal to to 6.022 X 10^23 particles , this is the avagadros number |
| molar mass | is the mass of one mole of a substance |
| avagadros number | the number of particles in one mole of any substance |
| percentage composition | The percent by mass of each element in a compound is equal to the percentage that its atomic mass is of the formula mass. |
| empirical formula | it is the simplest ratio of the number of atoms of each element that make a compound |
| molecular formula | an expression that defines the number of atoms of each element in one molecule of a compound |
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