Basics

Question 1

What is a element

Answer 1

A pure substance that cannot be separated into simpler substances
In an element all of the atoms are the same.

Question 2

What is a compound

Answer 2

Compounds contains two or more different elements chemically combined in fixed proportions

Question 3

What is a mixture

Answer 3

different elements and compounds that are not chemically boned

Question 4

What is a molecule

Answer 4

a molecule has any elements chemically combined even if they are from the same element