Across
- 3. Where are the electrons located?
- 5. What is an atom mostly made up of?
- 6. What has mass and takes up space?
- 7. What is the electrical charge of a proton?
- 9. what is the table that organizes all elements?
- 11. Where are the protons and neutrons located?
- 12. What is the Greek term for atoms?
Down
- 1. What do atoms make?
- 2. What type of charge does an electron have?
- 4. Who created the periodic table that is similar to the one we use today?
- 8. what type of charge does a neutron have?
- 10. What are the building blocks of matter?