Question

Which is a substance made up of only one kind of atom?

A.
compound
B.
mixture
C.
element
D.
solution

answer is :
c element

Answer 1

C element

Step-by-step explanation:

an element is made up of only one kind of atom

Answer 2

Option C

Step-by-step explanation:

An element contains one kind of atom, that atom decides what the element is. For example, Hydrogen, hydrogen is an atom that consists of protons, neutrons, and electrons, without that exact number of protons, neutrons, and electrons Hydrogen wouldn't be hydrogen it would be a whole different element. "Elements" are substances made up of only one kind of atom, which means your answer is option C.

Hope this helps.