Write and Balance the Equation for the Combination Reaction That $\rightarrow$

Write and balance the equation for the combination reaction that occurs when solid potassium metal reacts with chlorine gas.

A) 2K(s) + Cl₂(g) $\rightarrow$ KCl(s)
B) K(s) + Cl(g) $\rightarrow$ KCl(s)
C) 2K(s) + Cl₂(g) $\rightarrow$ 2ClK(s)
D) 2K(s) + Cl₂(g) $\rightarrow$ 2KCl(s)
E) K(s) + Cl₂(g) $\rightarrow$ KCl(s)