The Periodic Table
Across
- 2. There are ... non-metals in the first 20 elements of the periodic table
- 3. Rows in a periodic table.
- 5. The first element on the periodic table is Helium. (TRUE/FALSE)
- 7. Columns in a periodic table.
- 10. Element with the atomic number of 5
- 13. There are ... known elements on the periodic table.
- 14. The chemical symbol of lead is
- 15. There are ... metals in the first 20 elements of the periodic table
- 16. What do we call the table that shows all the elements?
- 17. The atoms of the elements increase in ... as you read across each row.
- 18. ... atoms has the highest mass
- 19. (TRUE/FALSE)
Down
- 1. Elements in the same column share similar chemical and ... properties.
- 4. The heaviest element
- 6. Number of protons an atom contains
- 8. The man who invented the periodic table
- 9. Element with the chemical symbol of Na
- 11. One or Two letters that represent an element.
- 12. If there is a second letter in the chemical symbol, it is always ....
- 17. Chemical symbol of magnesium