11
AssignmentMultiple Choice

The History and Arrangement of the Periodic Table

Question 11 • *26-27 CFISD TX-Chemistry A CR

A group 5A element:

Answer
A
actinium
B
arsenic
C
rhenium

Explanation

Group 5A is the older name for Group 15 of the periodic table. Arsenic belongs to Group 15, while actinium and rhenium are transition or inner-transition metals in other groups. Therefore, the correct choice is arsenic.

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