1 Flashcards
1
Q
What determines the type of atom
A
The number of protons
2
Q
What determines the mass of an atom
A
The number of protons and neutrons
3
Q
What determines the net charge of an atom
A
The ratio of protons to electrons
4
Q
What determines the stability of an atom
A
The ratio of neutrons to protons
5
Q
Isotopes
A
Atoms of the same element (same number of protons) that have a different number of neutrons
6
Q
mass number
A
A calculated average of all know isotopes of an element
7
Q
Ion
A
-an atom that has an unequal amount of protons and neutrons.
Positive ions : cations
Negative ions : anions
8
Q
Polyiotomic ion
A
Ions mad of multiple atoms
