Valency of Mg in Magnesium chloride
2+
5
2-
3+
What is the chemical symbol of calcium?
Ca
Cu
C
Kr
Example for basic radical is
Magnesium
Bromide
Chloride
Silicate
Example for monovalent electro positive
Barium
Aluminium
Ammonium
Zinc
Example for cation
Acetate
Sulphate
Fluoride
H2O represents _______?
One molecule of water
Two molecule of Hydrogen and one molecule of oxygen
Two molecule of water
None of these
Which of the following elements represented symbol "Ag"?
Gold,
Silver
Iron
Antimony
Valency of sulphate in compound aluminum sulphate?
3-
1+
Empirical formula of Hydrogen peroxide .
CH
C6H6
H2O2
OH
Whose method about symbol system is considered as the basic of modern system of chemical symbols and formulae?
Dalton
Avogadro
Johann Berzelius
Al chemists