Matter and Energy

Substance = ?
definite composition and unique physical characteristics.
ELEMENTS AND COMPOUNDS.
Elements = ?
the simplest form of matter, cannot be chemically decomposed.
Compounds = ?
Two or more elements chemically combined, meaning they can be chemically broken down.
Two homogeneous substances?
Elements and compounds.
Mixtures = ?
Phyiscally combined, meaning can be taken apart physically.
Alloy = ?
mixture of metals.
homogenous.
4 ways to physically seperate mixtures:
1)filter
2)heat/cool it
3)magnetism
4)chromotography.
x

Hi!
I'm Larry

Hi there, would you like to get such a paper? How about receiving a customized one?

Check it out