1
Q
Oxidation
A
is loss. The atom has lost electrons and became a cation (positive)
2
Q
Reduction
A
is gain. The atom has gained some electrons and has become an anion (negative)
3
Q
zinc (Zn)
A
2+
4
Q
Sulfate(SO4)
A
2-
5
Q
Silver (Ag)
A
+
6
Q
Hydrogen(H)
A
+
7
Q
Nitrate(NO3)
A
-
8
Q
ammonium (NH4)
A
+
9
Q
Hydroxide(OH)
A
-
10
Q
Hydrogenarbonate(HCO3)
A
-
11
Q
Carbonate(CO3)
A
2-
12
Q
boiling points and melting points
A
Ionic compounds have high melting and boiling points because of their strong electrostatic forces between differently charged ions
Chemistry 101
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