Question

1. Write the symbols and valencies of the elements five times grouping
them as
i. Monovalent elements
ii. Divalent elements
i. Trivalent elements
iv.
Tetravalent elements
V. Elements with zero valency
vi. Elements with variable valencies
vii. Radicals​
Please help

Answer 1

Answer:

sorry I don't know the answer

Answer 2

Answer:

1-Na,k ,Ag

2-ca,Mg,Mn

3-Al, Au

4-Mn, Sn

5-He, si

6-cu, Fe

7-posituve radical n negative radical

hope it works please mark it as a brainliest