11
AssignmentMultiple Choice

The Modern Atomic Theory

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, which includes nitrogen, phosphorus, arsenic, antimony, and bismuth. Arsenic is in this group. Actinium is an actinide, and rhenium is a transition metal.

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