Chem Flashcards
1
Q
Shows the kind and numbers of atoms in the smallest representative unit of a substance
A
Chemical formula
2
Q
The lowest whole number ratios of ions in an ionic bond
A
Formula units
3
Q
What are ionic compounds formed from
A
Cations and anions
4
Q
Electrons in the outer most energy level
A
Valence elections
5
Q
Lose electrons
A
Metals
6
Q
Gain electrons
A
Nonmetals
7
Q
Elements with a full outer energy level are unreactive in chemical reactions
A
Octet rule