Across
- 3. The mass of one mole of a substance
- 5. A charged particle resulting from the loss or gain of electrons
- 6. Unit of measure for the amount of substance
- 7. A molecule made up of two or more different elements
- 8. A unit of measure for the amount of substance
- 9. Atoms of the same element with different masses
Down
- 1. Mass per unit volume of a substance
- 2. The average mass of an element’s isotopes
- 3. The smallest unit of a chemical compound
- 4. Unit of measurement for atomic and molecular mass