What are the 5 best and easy science fair projects that will help and make me win the science fair? From the 5 science, fair projects pick 1 really good and easy project that will help and make me win the science fair. PLZ, I REALLY NEED HELP!!!

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Why can water dissolve many ionic compounds

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.