Please be fast
1.how many elements are there in each the columns in A group elements?
2.how many elements are there in period 4?
3.Identify A group elements.
4.Identify B group elements.​

Please be fast1how many elements are there in each the columns in A group elements2how many elements are there in period 43Identify A group elements4Identify B class=

Respuesta :

Annder

Explanation:

1. 6 elements

2. 18 elements

3. Li, Na, K, Rb, Cs, Fr

4. Cu, Ag, Au, Uun