Chemisty Test Prep! Flashcards
Matter
Matter is anything that has a mass and takes up space
Atom?
The smallest part of a chemical element that can exist.
Element?
A substance that contains only one type of atom
Molecule?
A group of atoms joined together
Particles?
Anything that makes up matter, including atoms.
A physical change?
When atoms form in a new way, to give us a new mixture, but not a substance.
Chemical change?
When atoms arrange in a different way to give us a new substance called a compound.
Substance?
Matter that has the same make up and properties throughout.
Mixture?
Two or more different substances physically combined; the physical change is easily reversed.
Compound?
When tow or more different elements combine together chemically, to make a new substance.