C1 Flashcards
1
Q
Elements
A
Contain only 1 type of atom
2
Q
Compounds
A
2 or more different elements chemically bonded
3
Q
Atomic number
A
Atomic number = the number of protons
4
Q
Mass number
A
Mass number = number of protons + neutrons
5
Q
Isotopes
A
Atoms of the same element with different numbers of neutrons are called isotopes
6
Q
Ion
A
An atom with a charge due to the loss or gain of electrons
