Which answer choice describes all nonmetals? O A. All of the elements of group 18 in orange boxes
O B. All of the elements of Period 2 in green boxes
O C. Hydrogen and all of the other elements in orange boxes
O D. Hydrogen and all of the elements in blue boxes

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).

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