ionic bonding Flashcards
1
Q
what is an ion?
A
an electrically charged atom or group of atoms formed by the loss or gain of electrons
2
Q
what are negative ions called?
A
anions
3
Q
when do anions form?
A
when atoms gain electrons
3
Q
what are positive ions called?
A
cations
4
Q
when do cations form?
A
when atoms lose electrons
5
Q
all metals lose or gain electrons?
A
lose electrons-become positively charged ions
6
Q
all non-metals lose or gain electrons?
A
gain electrons-become negatively charged ions
7
Q
copper (II) formula?
A
Cu2+
8
Q
iron (II) formula?
A
Fe2+
9
Q
iron (III) formula?
A
Fe3+
10
Q
lead formula?
A
Pb2+
11
Q
zinc formula?
A
Zn2+
12
Q
ammonium formula?
A
NH4+
13
Q
what is the charge on group 5 non-metals?
A
3-
14
Q
what is the charge on group 6 non-metals?
A
2-
