In 1911, Hans Geiger and Ernest Marsden (working under Ernest Rutherford) conducted an experiment involving alpha particles and gold foil that led to the discovery of the nucleus in atoms. The nucleus of an atom accounts for.:

A-most of the size and mass of the atom.

B-very little of the size and mass of the atom.

C-most of the atom's size but very little of its mass.

D-most of the atom's mass but very little of its size.

Question

Chemistry

Tamara Grimes

8 December, 21:04

In 1911, Hans Geiger and Ernest Marsden (working under Ernest Rutherford) conducted an experiment involving alpha particles and gold foil that led to the discovery of the nucleus in atoms. The nucleus of an atom accounts for.:

A-most of the size and mass of the atom.

B-very little of the size and mass of the atom.

C-most of the atom's size but very little of its mass.

D-most of the atom's mass but very little of its size.

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Answers (1)

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Edsel · Answer 1

According to the experiment, the very nucleus of the atom is conformed by protons and neutrons, whereas electrons are diminute and have low mass in comparisson to protons and neutrons. So then, the nucleus accounts for the size and the mass of the atoms.