What are the numbers on periodic table?

Related questions

1. What is the heaviest synthetic element?
2. What is the 119 element?
3. Is fire or water stronger?
4. How old is the periodic table?
5. What are the first 118 elements?
6. What is the 19th element?
7. What is the first element?
8. Which is the heaviest metal?
9. What is P on the periodic table?
10. How do you read the periodic table?

Tags

1. #atomic
2. #periods
3. #protons
4. #arranged
5. #element
6. #number
7. #groups
8. #elements
9. #periodic
10. #table
11. #across
12. #period
13. #nucleus
14. #particular
15. #called