Question 3 of 20 :
Select the best answer for the question.
3. Which of the following is characteristic of non-metals?
A. They tend to be denser than metals.
B. They're always solids at room temperature. ☆
C. They're strong conductors of electricity.
D. They tend to gain electrons in chemical reactions.
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for points guys

2b2t

explanation:

2b2t

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.