6. What happens to the particles of solids when they heated? A. They freeze
B. They expand
C. They evaporate
D. They change shape

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u i forgot the answer?

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).

i have no clue hope you find the answer