Across
- 5. the SI base unit of thermodynamic temperature
- 6. it's chemical formula is H₂SO₄
- 7. It's chemical formula is CaCO3
- 8. Element that has an atomic mass of 10.81
- 12. convenient unit to use because of the great number of atoms, molecules, or others in any substance.
- 13. It's chemical formula is NaHCO3
- 16. It's chemical formula is C4H4K2O6
- 17. 6.022 x10 23
- 18. calculated from a molecular formula by dividing the mass of a single element in one mole of a compound by the mass of one mole of the entire compound.
- 20. the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound.
Down
- 1. element that has an atomic weight of 1
- 2. group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- 3. the degree of compactness of a substance.
- 4. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- 9. An Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules.
- 10. a coherent, typically large body of matter with no definite shape.
- 11. the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- 14. the science that deals with the properties, composition, and structure of substances
- 15. It's chemical formula is C8H18
- 19. the basic unit of a chemical element.