ACAP Science Grade 8 Practice Questions - Alabama Comprehensive Assessment Program (ACAP) Summative Science, Grade 8 Exam

What does the atomic number of an element tell you?

The number of electron shells that never change The number of protons in one atom of the element The total mass of one mole of the element in grams The number of neutrons only in every isotope

Correct Answer:

The number of protons in one atom of the element

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