Question

The substance O2 is an example of _______.


A. a diatomic element
B. a compound
C. a mixture

Answer 1

Your first guess?

Answer 2

A.

Answer 3

Why?

Answer 4

Idek

Answer 5

the prefix di- = ?

Answer 6

It's correct, because it is a gas, and O2 is one of the well-known basic diatomic elements. Were it CO, it would be a mixture, as it has 2 molecules.

Answer 7

I really do not uderstand the periodic tables of elements im in the 7th grade

Answer 8

What don't you understand, exactly? :)

Answer 9

everything

Answer 10

What do you understand, then? What is a mixture?

Answer 11

@DangerousJesse:- You are not quite right. CO is a compound, not a mixture

Answer 12

Sorry, realized that as soon as I pressed enter haha. That is correct :P

Answer 13

@BriellShaw Can you define "mixture" for me, or should I explain? :)