Because hydroxide ions are alkaline, they influence the alkalinity of water

Would this be true or false?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Can someone me with questions 15 to 17 plz.