Across
- 2. ________ bonding; sharing of electrons
- 4. _____ bonding ;transfer of electrons
- 6. Atomic _______; the number of protons in an atom
- 9. anything that has mass and volume
- 10. horizontal rows on the periodic table
Down
- 1. _______ figures
- 2. electron ___________; 1s^2 2s^2 2p^6
- 3. anything that can do work or produce heat
- 5. 2+ pure substances physically mixed together
- 7. vertical rows on the periodic table
- 8. refers to how close a measurement is to the true value
- 11. the letter that represents the element