Periodic Table
Across
- 2. - a row in a periodic table
- 6. - the smallest particle that has the properties of an element
- 7. table - an arrangement of elements in columns based on a set of properties
- 9. - gas is the most abundant gas in our atmosphere (79%)
- 10. - an element that has properties of both a metal and nonmetal
- 11. gases - the elements in Group 8A of the periodic table
- 12. - are the particles in atoms that have a neutral charge
- 14. theory - a theory that states that matter is made of atoms
- 16. - the elements in Group 7A of the periodic table
- 17. - a vertical column of elements in the periodic table
Down
- 1. - are the particles in atoms that have a positive charge
- 3. symbol - the letters representing the element
- 4. - another name for group
- 5. - capable to being drawn into wire
- 8. - are the particles in atoms that have a negative charge
- 10. - the smallest unit of an element that has all of the properties of the compound
- 13. - gas that is the second most abundant gas in our atmosphere (21%)
- 15. - another name for period in the periodic table