which of the following lewis diagrams could represent a neutral atom from group 17 of the periodic table…
which of the following lewis diagrams could represent a neutral atom from group 17 of the periodic table? choose 1 answer:
Answer
Explanation:
Step1: Recall group 17 electron - count
Elements in group 17 of the periodic table have 7 valence electrons.
Step2: Analyze Lewis - dot structures
A Lewis - dot structure of a neutral atom of a group 17 element will have 7 dots (representing valence electrons) around the symbol of the element.
- Option A has 6 dots.
- Option B has 7 dots.
- Option C has 8 dots.
Answer:
B. $\ddot{\text{X}}\cdot$