Valency of Mg in Magnesium chloride
2+
5
2-
3+
Barium is _______ type of electro positive
Monovalent electro positive
Divalent electro positive
Trivalent electro positive
Tetravalent electro positive
H2O represents _______?
One molecule of water
Two molecule of Hydrogen and one molecule of oxygen
Two molecule of water
None of these
Example for cation
Ammonium
Acetate
Sulphate
Fluoride
Example for anion ?
Barium
Aluminum
Arsenic
Carbonate
Formula of cupric oxide
Cu2O
CuO
FeO
Fe2O3
Valency of sulphate in compound aluminum sulphate?
3-
1+
Empirical formula of Hydrogen peroxide .
CH
C6H6
H2O2
OH
Which of the following elements represented symbol "Ag"?
Gold,
Silver
Iron
Antimony
Which is the variable valency of Iron
1,2
2,3
1,3
2,4
