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It is the scientist Rutherford. He proposed it in year 1919.

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What is contained in the nucleus of magnesium?

12 protons and no electrons


What are the parts of an atom that are contained in a nucleus?

Protons and Neutrons.


The mass of an atom is contained primarily in its?

The mass of an atom is primarily contained in its nucleus, which is made up of protons and neutrons. Electrons, which have a much smaller mass compared to protons and neutrons, occupy the space surrounding the nucleus.


Who was The scientist that discovered the presence of protons in the nucleus?

goldstein


Where are protons and neutrons of an atom contained?

Protons and neutrons are contained within the nucleus of an atom. The nucleus is located at the center of the atom and it is where most of the atom's mass is concentrated. Electrons, which are negatively charged particles, orbit around the nucleus in electron shells.


Do protons or electrons surround the nucleus?

Protons are contained within the nucleus, electrons surround the nucleus at a considerable distance (atomically speaking)


What is the total number of protons contained in the nucleus of a carbon1 4 atom?

A carbon-14 atom contains 6 protons in its nucleus.


What carries the overall positive charge in an atom?

The protons which are contained in the nucleus.


What is contained in the nucleus of a atom?

Protons and neutrons. Virtually all of the atom's mass.


What element has 70 protons contained within it's nucleus?

Ytterbium (Yb)


Over 99 percent of the mass of an atom is contained where?

Over 99% of the mass of an atom is contained in the nucleus, where protons and neutrons are located. Electrons, which have negligible mass compared to protons and neutrons, occupy the remaining space in the electron cloud surrounding the nucleus.


What is contained in the atomic nucleus?

Protons and neutrons, except in hydrogen which has just one proton.