Y Flashcards
1
Q
Compound
A
A substance formed by the chemical combination of two or more elements.
2
Q
Element
A
A substance that cannot be separated or broken down into simpler substances by chemical means
3
Q
Molecule
A
Two or more atoms covalently bonded together. (Monatomic molecules are molecules that contain only one atom - noble gases
4
Q
Atom
A
Smallest component of an element consisting of a nucleus that contains protons, neutrons and electrons (that orbit the nucleus in shells)
5
Q
Mixture
A
Not pure substances but contain two or more substances that are not chemically joined together. (Able to be separated)