Answer
$Ni_{}$ + $Cl_{2}$ --> $Ni_{}Cl_{2}$
Work Step by Step
1. Write the equation mentioned in the command:
Nickel Metal: $Ni_{}$
Chlorine Gas: $Cl_{2}$
$Ni_{}$ + $Cl_{2}$ --> $Ni_{}Cl_{2}$
2. Because both sides have the same amount of each atom, we consider that the equation is balanced.
