Water, air, buildings, food, and everything visible and invisible have mass and takes up space. What is the word used to describe anything that has mass and takes up space?

Matter

hope this helps

b i think it’s a water wheel turning in a stream

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).