How many atoms are there in 15.999g of oxygen

Two diatomic molecule

Explanation:

as the atomic mass of oxygen is 16 so basically oxygen is sharing its 2 electrons with another oxygen atom forming di atomic molecule whixh atomic mass is approx 16 g

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).