Day 2 Vocab Crossword
Across
- 7. Elements that do not occur naturally
- 9. When an electron leaves an atom because there is not enough energy
- 11. Elements consisting of two atoms
- 12. the columns on a periodic table
- 13. silver-gray color, metallic luster, ductile and malleable
- 14. The distance from the nucleus to the outer shell
Down
- 1. Electron Electrons in the outer most shell
- 2. The weighted average mass of all isotopes of an element
- 3. The amount of protons in the nucleus
- 4. no metallic luster, not malleable, liquids or gases at room temperature
- 5. have metallic luster, brittle and easily shattered, solid at room temperature
- 6. a diagram used to show how electrons are arranged around individual atoms
- 8. The attraction of one atom to another
- 10. the rows on a periodic table