Question

Antoine Lavoisier is often referred to as the "father of modern chemistry". This is partly because of his discovery of the role of oxygen in combustion reactions but also his discovery that ____________
A) neutrons have no charge.
B) the atom contains a positively-charged nucleus.
C) the masses of the reactants and products are equal.
D) atoms of the same element can have different masses.

Answer 1

I think the answer is C) the masses of the reactants and products are equal. 

Answer 2

C i belive Hope this helps have a good one