Compound= many parts together therefore bike is the answer
Answer:
I'd say its speed but not to sure
Explanation:
Emitted/given off. exo is a way to remember that is is going away. think of a flame. the heat is emitted off onto you.
Answer:
Mg
Explanation:
Magnesium has a valency of +2
Zn⁰ ----> Zn⁺² + 2e⁻ - oxidation
Hg⁺² + 2e⁻ ----> Hg⁰ - reduction
Zn loses 2 moles of electrons , and Hg gains 2 mole of electrons.
So, number of moles of electrons gained and lost during reaction is equal.