Is 2019 the year of the periodic table?

Related questions

1. Why is fluorine the smallest atom?
2. Which is the heaviest gas?
3. What is the 119 element?
4. Is darkness an element?
5. Which is the heaviest non metal?
6. Is fire or water stronger?
7. Why is it called periodic table?
8. What is the 19th element?
9. What is the heaviest natural thing on earth?
10. What is the heaviest synthetic element?

Tags

1. #elements
2. #international
3. #during
4. #dmitri
5. #plenary
6. #chemical
7. #discovery
8. #system
9. #periodic
10. #nations
11. #mendeleev
12. #united
13. #general
14. #considered
15. #proclaimed
16. #scientist
17. #assembly
18. #meeting
19. #russian
20. #december
21. #table