Across
- 1. vertical lines on the periodic table
- 5. horizontal lines on the periodic table
- 6. Electrons are _____ than neutrons and protons
- 7. the column number an element is in shows how many ____ electrons it has
- 10. what type of charge does an electron give off
Down
- 2. the row number of an element tells how many ___ the element has
- 3. is the type of model we use in class to show what an atom looks like
- 4. What type of charge does a proton give off
- 8. the middle of an atom made up of protons and neutrons
- 9. part of the nucleus that gives off no charge