Answers Physical Science Atoms and the Periodic Table — TestQuestion 20

20

QuizMultiple Choice

Atoms and the Periodic Table — Test

Question 20 • Physical Science

The elements in group 17 of the periodic table are all called halogens. All halogens have the same

Answer

A

atomic number.

B

number of valence electrons.

C

atomic mass.

D

number of possible isotopes.

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