Which number determines the atomic number of an atom? question 1 options: electrons in the outer layer of any atom protons in every atom of an element protons plus the number of neutrons in an atom neutrons in two atoms of an element

Protons in every atom of an element

Step-by-step explanation:

The number of protons in an element is what determines the atomic number. Take Aluminum for instance. There's thirteen protons in the element of aluminum and the atomic number for that element is thirteen.

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go and ask your mom to you

i think the answer is b.

step-by-step explanation:

not 100% sure though.