Pick out the wrong statement.
(A) The nucleus of a hydrogen atom is identical with a proton
(B) A, β-ray particle is identical with an electron
(C) Mass of an electron is about 1/1800th of the lightest nucleus
(D) Positron is heavier than a proton
(A) The nucleus of a hydrogen atom is identical with a proton
(B) A, β-ray particle is identical with an electron
(C) Mass of an electron is about 1/1800th of the lightest nucleus
(D) Positron is heavier than a proton