Answers LA-Chemistry A Elements, Compounds, and Mixtures — Unit testQuestion 3

3

QuizMultiple Choice

Elements, Compounds, and Mixtures — Unit test

Question 3 • LA-Chemistry A

A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?

Answer

A

V

B

Na

C

Mg

D

Se

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