Question 1
Name the acid H
3PO
4 (dissolved in water).
◦ Phosphoric acid
◦ Phosphorous acid
◦ Hydrogen phosphate acid
◦ Hydrophosphate acid
◦ Hydrophosphoric acid
Question 2
Rutherford's experiment with alpha particle scattering by gold foil established that
◦ protons are not evenly distributed throughout an atom.
◦ electrons have a negative charge.
◦ electrons have a positive charge.
◦ atoms are made of protons, neutrons, and electrons.
◦ protons are 1840 times heavier than electrons.