Which of the following elements has the Lewis symbol below,where Sy represents the elemental symbol?
A)Na
B)Mg
C)Al
D)Si

Question

Which of the following elements has the Lewis symbol below,where Sy represents the elemental symbol? 
A)Na 
B)Mg 
C)Al 
D)Si

Quizplus · Accepted Answer

The Lewis symbol shown has three dots around the elemental symbol, indicating three valence electrons. Only Al (element 13) has three valence electrons. Na (element 11) has one valence electron, Mg (element 12) has two, Si (element 14) has four, and P (element 15) has five. Thus, the answer is C, Al.

Which of the Following Elements Has the Lewis Symbol Below,where