Across
- 2. able to be metal or non-metal
- 4. the quality of a substance how much it could bend
- 5. He,Ne,Ar,Kr,Xe, and Rn
- 8. a change of appearance physically
- 10. one of particle consisting an atom, no charge
- 11. an unable to be separated into simpler
- 12. Mass/Density
Down
- 1. a change of a substance invisibly
- 3. the quality of being dense
- 6. the condition of the substance
- 7. 17th family on periodic table
- 8. Arranged element according to atomic number on table
- 9. the quality of being soluble
- 10. it's located in the middle of an atom