3
QuizMultiple Choice

Periodic Trends — Unit test

Question 3 • *26-27 CFISD TX-Chemistry A CR

Which element has 32 protons in its nucleus?

Answer
A
phosphorus
B
cobalt
C
germanium
D
sulfur

Explanation

An element’s number of protons is its atomic number. Germanium has atomic number 32, so it has 32 protons in its nucleus. The other choices have different atomic numbers: phosphorus 15, cobalt 27, and sulfur 16.

AI-written and checked against the verified answer.

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