What is the nucleon number?

Answer 1

The total number of protons and neutrons, collectively referred to as nucleons, in an atomic nucleus is known as the mass number (A), also known as the atomic mass number or nucleon number.

The atomic number (Z), which indicates the number of protons in a nucleus and thus uniquely identifies an element, is not the same as the mass number (M), which varies for each distinct isotope of a chemical element.

Therefore, N=A−Z is the number of neutrons (N) in a given nucleus, which is the difference between the mass number and the atomic number.

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Answer 2

Axel Alvarado

The nucleon number, also known as the mass number, is the total number of protons and neutrons present in the nucleus of an atom. It is typically represented by the symbol "A" and is used to distinguish one isotope of an element from another.

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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.