Definitions Flashcards
1
Q
Element
A
A substance whose atoms are made up of an identical number of protons
2
Q
Molecule
A
Two or more atoms bonded together
3
Q
Atom
A
Smallest unit of matter
4
Q
Mole
A
Mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C
5
Q
Compound
A
Two or more elements chemically bonded
6
Q
Valency
A
The number of possible bonds that can be formed
7
Q
Polymers
A
polymer, any of a class of natural or synthetic substances composed of very large molecules