Question

If a material contains three elements but not joined in a fixed proportion, it is a(an)
A. mixture.
B. compound.
C. atom.
D. none of the above

D?

Answer 1

A mixture is joined in a fixed proportion?

Answer 2

If a material contains three elements but "NOT" joined in a fixed proportion.

the answer c is wrong and B is joined in a fixed proportion so C and B is wrong. the answer is in A or D and am very confused.Please help

Answer 3

a compound is fixed proportion, like two H and one O

an atom is fixed proportion, 100%

HOWEVER a mixture is not necessarily a fixed proportion.
Could be sand, water and cannon balls mixed in any proportions

A

Answer 4

Compound

Answer 5

zoology