Question

Atoms of different elements have a different mass and volume. Why is the statement true?



Atoms of all elements have a spherical shape.
Atoms have protons, neutrons, and electrons.
Atoms lack the same number of electrons.
Atoms have unique properties that define them.

Answer 1

Answer:

different elements have different number of electrons and shells/orbits thatswhy it have different atomic mass and size.

Explanation:

Answer 2

The answer is D.) Atoms have unique properties that define them.