Multiple Choice
In the periodic table, what does the term "family" (also called a group) refer to?
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4. Atoms and Elements
Periodic Table: Group Names
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Which of the following elements is a Group 5A (Group 15) element on the periodic table?
A
Arsenic
B
Actinium
C
Bromine
D
Rhenium
Verified step by step guidance1
Understand that Group 5A (also known as Group 15) elements are located in the nitrogen group of the periodic table. These elements typically have five valence electrons.
Recall the common elements in Group 15: Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb), and Bismuth (Bi).
Review the given options: Actinium (Ac), Bromine (Br), Rhenium (Re), and Arsenic (As).
Identify the position of each element on the periodic table: Actinium is an actinide, Bromine is a halogen (Group 17), Rhenium is a transition metal, and Arsenic is in Group 15.
Conclude that Arsenic is the element that belongs to Group 5A (Group 15) based on its position and group characteristics.
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