Question

helpp me pls someone help​

Answer 1

Answer:

Explanation:

1)Helium

2)Hydrogen

3)John Dalton

4)Hydrogen has 1 valence electron and shows properties of halogens.

5)Hydrogen

pardon me if i am wrong ; hope this helps:)

Answer 2

Answer:

1. Helium

2Hydrogen gas

3. Jhon Dalton FRS

4.

5. Hydrogen Chloride

Explanation:

1. it has two electrons