In the section of your lab/scientific report you summarize the results of your experiment.

I think the answer would be in the conclusion, this is because a conclusion is the end part of a lab/scientific report where you summarize the results of your experiment.

answer; i believe that the correct answer is (a); a large rock being weathered by wind and rain;

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).