What are periods and groups in the periodic table?

Related questions

1. What is the branch of 10th class?
2. Which element is in Group 7 and has 30 neutrons?
3. What group should I take in 11th for doctor?
4. What is periods and groups in periodic table?
5. What are the groups in 1?
6. What is Group 11 called on the periodic table?
7. What are the main groups in the periodic table?
8. What is Group 3 called in the periodic table?
9. What are the groups in the periodic table called?
10. What is Group 6 on the periodic table called?

Tags

1. #members
2. #groups
3. #vertical
4. #number
5. #properties
6. #valence
7. #family
8. #families
9. #table
10. #elements
11. #because
12. #similar
13. #electrons
14. #periods
15. #their
16. #horizontal
17. #behavior
18. #columns
19. #chemical
20. #periodic
21. #called