help SCIENCE help
posted by Katie .
What is the difference between an atom, compound, and mineral???????
Please help, Thanks
Atom= matter in the form of small units
Compound= elements chemically combined
Mineral= inorganic nutrients that regulate many chemicals in the body
for definition of mineral see below
last yearmy school librarian said that wikipedia is an unrealiable source b/c ANYONE can put info on it, therefore, its not neccisarily true