Question

pls answer as soon as possible​

Answer 1

Answer:

A.a) atoms are not able to exist independently

b) N2

B . a) i)Proton

ii) Valency

b) It states that matter can neither be created nor be destroyed . It can be converted from one form to another.

Answer 2

Answer:

1/a/a.) atoms are not able to exist independently.

1/a/b.) N2

1/b/a.)

i) sodium ion (na+)

ii)Valency

1/b/b.)

The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed. For example, the carbon atom in coal becomes carbon dioxide when it is burned. The carbon atom changes from a solid structure to a gas but its mass does not change.

Hope it helps you.