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CSET Science - Life Sciences (215 & 217) Practice Questions - CSET California Subject Examinations For Teachers Science - Life Sciences (Subtest I 215+ Subtest II 217) Exam
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Question Number 5
Which subatomic particle determines the identity (element) of an atom?
The number of protons
The number of neutrons
The number of electrons
The total atomic mass
✔ Correct Answer:
The number of protons
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