What does the atomic number of an element count?
AIts neutrons
BIts nucleons
CIts protons
DIts molecules
Answer & Solution
Correct answer: C. Its protons
1. The chemical properties of an element are set by the charge of its nucleus.
2. That charge comes from the protons, so the count of protons is called the atomic number.
3. The atomic number is written as Z and is the number that orders the periodic table.
_Source: Siyavula Physical Sciences Grade 10 (Everything Science, CC BY 4.0), Chapter 4: The atom_
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