Across
- 7. What is the atomic number for osmium?
- 8. What is the element name for Mn?
- 9. How many groups are there?
Down
- 1. What element is Ru?
- 2. What is the element name for Al?
- 3. How many periods are there?
- 4. What element is Bk?
- 5. Mass What is the number under the element name?
- 6. What is the Atomic number of Nitrogen?