One similarity between a small, solid
sample of aluminum and a large, liquid
sample of aluminum is that both samples
have
a a definite shape.
b a definite volume.
c the same number of atoms.
d the same amount of energy.

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride