Which statement is true of atoms? Group of answer choices Electrons determine the atom's size. Protons repel electrons. Most of an atom's volume is filled with matter. Protons attract other protons.

Can someone me with 6 to 10 plz this is for masteries test.

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Why is the bottom layer of a trophic pyrimid the