Chemistry topic 1- Moles 0.0 / 5 ? ChemistryCalculations, moles and yieldGCSEAQA Created by: xgeorgiareadmanxCreated on: 09-03-14 20:03 38524167 Across 1. atoms of the same element that has the same number of protons but has different number of neutrons (7) 5. the number of atoms of an element or compound which have a certain mass (1, 4) 6. mass (g) / moles = (8, 6, 4) 7. moles * R.A.M = (4, 1) Down 2. the percentage of an element in a compound (0, 2, 4) 3. the weighted mean mass of an atom of an element relative to one twelfth the mass of an atom of carbon twelve. It is not always a whole number (8, 6, 4) 4. mass (G) / R.A.M = (5) 8. the sum of the relative atomic masses of the atoms in the numbers shown in the formula (8, 7, 4)
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