Answer
See explanation
Work Step by Step
a. Bromine (Br)
Valence electrons: 7
Symbol:
..
: Br :
.
b. Lithium (Li)
Valence electrons: 1
Symbol:
Li•
c. Aluminum (Al)
Valence electrons: 3
Symbol:
Code
•
Al•
•
d. Sulfur (S)
Valence electrons: 6
Symbol:
Code
..
: S :
••
e. Neon (Ne)
Valence electrons: 8 (full shell)
Symbol:
Code
..
: Ne :
..
