Multiple Choice
Which of the following is a representative element, found in the 3rd Period, that is also a pnictogen.
4. Atoms and Elements
Periodic Table: Representative Elements & Transition Metals
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State the element symbol found in the 6th Period and Group 7A.
A
Rb
B
W
C
Br
D
Kr
E
At
Verified step by step guidance1
Identify the location of the element in the periodic table by understanding the terms 'Period' and 'Group'. The 'Period' refers to the horizontal rows, and 'Group' refers to the vertical columns.
Recognize that the 6th Period is the sixth row from the top of the periodic table.
Understand that Group 7A is also known as Group 17 in the modern IUPAC numbering system, which contains the halogens.
Locate the intersection of the 6th Period and Group 7A on the periodic table. This will help you find the element that fits both criteria.
Verify the element symbol at this intersection. In this case, the element is Astatine, with the symbol 'At'.
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