What scientific discovery earned einstein his first novel prize

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Sugar is dissolved in water. which is the solute? sugar neither both water