Whoever can complete all of the questions gets brainlest!!

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

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh

What did the experiments of scientists after john dalton reveal about his atomic theory?