Question

name the following

1. A ployatomic element.

2. The elements whose chemical symbol is Br.

3. An element having the Valencia.

4. A group of atoms that functions as a single unit. ​

Answer 1

Answer:

1) Cl2

2) Bromine

3) H

4) Molecule

Answer 2

Answer:

1 CI2

2 Bromine

3. H

4. Molecule