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Atomic Numbers and Electron Configurations

Question 1 • *26-27 CFISD TX-Chemistry A CR

What elemental classification does oxygen belong to?

Answer
A
nonmetal
B
semimetal
C
noble gas
D
alkaline earth metal

Explanation

Oxygen is classified as a nonmetal on the periodic table. It is not a noble gas, semimetal, or alkaline earth metal, so the correct choice is nonmetal.

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