What is the role of a proton in the atom? 1 point Contributes to an element's mass Determines the identity, or what element an atom is Determines how many electrons will be attracted All of the above

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)