Question

show all symbols valency and electronic configurations of all compound​

Answer 1

you can refer to the periodic table ....

where you get the valency of elements in group:

1. 1+

2. 2+

3. 3+

4. 4

5. 3-

6. 2-

7. 1-

8. 0

Answer 2

Answer:

hey here is your answer

Explanation:

Group 1 and 2 have valency +1 and +2 respectively and if you want to know the valency of all compound then yoy should prefer periodic table