Periodic Table Crossword
Across
- 3. vertical column
- 5. positively charged, found in nucleus
- 6. negatively charged, found in a atoms energy level
- 8. another name for metalloid
- 10. atom or a group of atoms that has lost or gained one or more electron
- 13. a pure substance
- 15. protons in the nucleus of an atom
- 17. antoher name for group
- 18. neutral particle in the nucleus of an atom
Down
- 1. horizontal row
- 2. another name for group
- 4. area in an atom where there is a high chance of finding electrons
- 7. poor conductors of heat and electricity
- 9. energies an electron may have in an atom
- 10. the process of adding electrons to or removing electrons from an atom or group of atoms
- 11. properties of metal and nonmetals
- 12. number of protons and netrons in a nucelas
- 14. center of an atom
- 15. smallest thing with properties of an element
- 16. good conductors of heat and electricity