Across
- 3. the number of atoms or molecules in one mole of a substance
- 5. a ratio expressed as a fraction that equals 2
- 6. a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
- 9. a particle of matter that uniquely defines a chemical element.
- 11. a process in which one or more substances, the reactants, are converted to one or more different substances, the products.
- 12. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
Down
- 1. by mass, it tells you what percent of each element is present in a compound.
- 2. an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products.
- 4. the mass in grams of one mole of the compound.
- 7. A substance that contains water molecule(s) within its structure.
- 8. the measure of the quantitative relationship between the products and reactants of a given chemical reaction in terms of their relative ratios of mass or volume
- 10. the unit for amount of substance
- 13. an atom or group of atoms in which the number of electron s is different from the number of proton s