The answer is C. Aluminium since it is highly reactive
I'm pretty sure it's organic chemistry.
<span>The atom is the smallest unit of matter of a chemical element that maintains its identity or its properties in smaller particles. Atoms are indestructible and retain their identity in chemical changes. This happens in a chemical reaction and this element is a small particle that supports changes in chemical reactions.</span>
Answer:
D. The number of atoms present
Explanation:
In a balanced equation, coefficients always represent the number of atoms present.