Hey, i need . answer this. match the term with the definition. match term definition atom a) a substance that cannot be broken down into a simpler substance element b) a unique form of matter in which it can exist particle c) the basic unit of an element phase d) a tiny piece of matter

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Predict the products butane (c4h10) + oxygen —>

Can someone me with questions 15 to 17 plz.