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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

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asked by Katie
  1. If mineral has a specific gravity of 5.5 how much more matter is there in 1 cm3 of this mineral than in 1 cm3 of water

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