Across
- 1. What does sodium and chlorine make
- 3. What is the main thing table salt is used for
- 5. What is the name for the element Na
- 6. what is the name for the element Cl
- 8. Sodium has how many protons and electrons
- 9. What group is Cl in
Down
- 2. What is the decimal number on the periodic table
- 4. What period is Na and Cl in
- 5. How many valence electrons does chlorine have
- 7. What Group is Na in
