What atomic particles occupy the nucleus of an atom?

Answer 1

Why protons and neutrons.

The nucleus is composed of protons, massive, positively charged, nuclear particles, and neutrons, massive neutrally charged nuclear particles. The number of protons, #Z#, is the atomic number and determines the identity of the element. #Z=1, H#, #Z=2, He#, #Z=3, Li#..........
Different numbers of neutrons gives rise to the existence of isotopes: i.e. #""^1H,"protium"#, #""^2H,"deuterium"#, #""^3H,"tritium"#. Given what I have said, can you tell me the number of neutrons in each isotope? Why do they have different masses?

Nuclear protons and neutrons engage in the strong nuclear force, a potent short range force that over-rides electrostatic repulsion, and binds the nucleus together.

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Answer 2

neutrons and protons.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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