Question

the smallest unit of an element that has all of the properties of the element is a/an
a) neutron.
b) atom.
c) cell.

Explanation:

• Option A: A neutron is a subatomic particle, not the smallest unit of an element with all its properties.
• Option B: An atom is the smallest unit of an element that retains all the chemical properties of that element.
• Option C: A cell is the basic unit of life, not related to the basic unit of an element.

Answer:

B) atom.