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A free proton is the nucleus of hydrogen atom and free alpha particle is the nucleus of helium atom and they may exist out side the atomic radius.

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What does the neucleus contain?

It contains most of the atom's mass.


What particles make a atom?

Neucleus, Proton and electrons


What is the meaning of the word neucleus?

If you mean 'nucleus' it is the central part around which other parts are grouped. In physics, it is the positively chargesd mass within an atom


How much charge does a neucleus have?

the nucleus of an atom has a positive charge equal to the number of protons in the atom.


Where electrons orbit?

around the neucleus of the atom which cinsists of neutrons and protons


What are facts about a proton?

Positively charged part of an atom. Makes up neucleus of an atom along side with neutrons.


What is the size of a proton in a beryllium atom?

The size of a proton in a beryllium atom is approximately 1.68 femtometers (fm) in radius. The radius of a proton is a fundamental constant and remains consistent regardless of its location within an atom.


Which subatomic particle is located in orbitals around the neucleus?

The electrons are the subatomic particles that are located in orbitals around the nucleus of an atom. They carry a negative charge and occupy different energy levels within the atom based on their quantum numbers.


Why do some scientist say that most of the mass of an atom is located in the neucleus?

because neutrons have the most mass in an atom and neutrons are located in the nucleus.


What is the radius of an atom in picometers?

Scandium empirical atom radius: 160 pm Scandium calculated atom radius: 184 pm


What is the radius of a oxygen atom?

The radius of an oxygen atom is approximately 0.65 angstroms.


Which particals in an atom are in the neucleus?

Protons and neutrons are the particles that are located in the nucleus of an atom. Electrons are located outside the nucleus in electron shells.