3 years ago

The atomic number of an atom is the number of ______ in the atom's nucleus.

1 answer:

6 0

Answer: Protons

Explanation: Every atom is defined by its protons every element. So if it has 1 proton its hydrogen no matter what. If it has 2 protons its helium no matter what and so on. So if you know the number of protons you know the element.

The atomic number tells you the number of protons that are in the core of a particular element.

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