Question

What is made of only one type of atom?
A. mixture
B. solution
C. element
D. compound

Answer 1

Hi LianYuLife

Element is a substance that is made up of only one kind of atom

Answer: C) or the third option.

Answer 2

C. An element
because, a mixture is made up of compounds, a solution as well is made of compounds, and a compound is made of elements which are made up of SAME type of atoms.