What fourth period element is represented by the dot structure shown?
A)K
B)Ca
C)Mn
D)Br
E)Co

Name: What fourth period element is represented by the dot structure shown? A)K B)Ca C)Mn D)Br E)Co
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Question

What fourth period element is represented by the dot structure shown? 
A)K 
B)Ca 
C)Mn 
D)Br 
E)Co

Quizplus · Accepted Answer

The dot structure shows seven valence electrons in the outermost shell, which means it belongs to Group 17, also known as the Halogens. The only halogen element in the answer choices is Br, which has the atomic number 35 and is a fourth period element.

What Fourth Period Element Is Represented by the Dot Structure