common charges and valence electrons

What are the valence electrons and common charge of Group 1A (1)?::1 valence electron; +1 charge

What are the valence electrons and common charge of Group 2A (2)?::2 valence electrons; +2 charge

What are the valence electrons and common charge of Group 3A (13)?::3 valence electrons; +3 charge

What are the valence electrons and common charge of Group 4A (14)?::4 valence electrons; ±4 charge

What are the valence electrons and common charge of Group 5A (15)?::5 valence electrons; −3 charge

What are the valence electrons and common charge of Group 6A (16)?::6 valence electrons; −2 charge

What are the valence electrons and common charge of Group 7A (17)?::7 valence electrons; −1 charge

What are the valence electrons and common charge of Group 8A (18)?::8 valence electrons (except He has 2); 0 charge

What charge do alkali metals (Group 1A) form?::+1

What charge do alkaline earth metals (Group 2A) form?::+2

What charge do the nitrogen family (Group 5A) form?::−3

What charge do the oxygen family/chalcogens (Group 6A) form?::−2

What charge do the halogens (Group 7A) form?::−1

What charge do the noble gases (Group 8A) form?::0

How many valence electrons do halogens have?::7

How many valence electrons do noble gases have?::8 (except helium has 2)

How many valence electrons do alkali metals have?::1

How many valence electrons do alkaline earth metals have?::2