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netineya [11]
3 years ago
13

19

Chemistry
2 answers:
Vikentia [17]3 years ago
6 0

Answer:

Nucleus contains protons and neutrons.

And whole atom contains neutons protons,and,electrons.

Thanks

vlada-n [284]3 years ago
4 0

Answer:

protons and neutrons

Explanation:

An atom is said to be the simple units of matter and basic of describing elements structure. An atom of an element have protons , neutrons and electrons.

The protons and neutrons of an atom are usually located in the nucleus of an atom. The sum of the proton and neutron of an atom determines the atomic mass of an element. This means the proton and neutron plays a major role in determining the mass of an atom. The proton is usually positively charge and tends to repel each other in the nucleus of an atom. The neutron has no charge but usually possess more weight than the proton.

The electron is located at the outer parts of the atom. it usually revolve round the atom . The electron determines how the atoms of an elements bond with other atoms. For an electronic neutral charge of any atom the proton number is equal to the electron number.  

The picture above illustrate how the proton, neutron and electron reside in the atom.

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