Question

A. Name the following.
An element having valencies 1,3,5, and 7
2. A polyatomic element
3. The symbol for iron with valency 3
4. An element having valencies 2 and 4
5. The element whose chemical symbol is Br​

Answer 1

Answer:

A. Name the following.

An element having valencies 1,3,5, and 7

2. A polyatomic element

3. The symbol for iron with valency 3

4. An element having valencies 2 and 4

5. The element whose chemical symbol is Br

Answer 2

Answer:

1. I don't know the answer of this question.

2. sulphur.

3. Fe³+.

4. Lead.

4.Bromine