Chemical Formulae
Trending Questions
What Is The Valency Of Carbon?
What is the valency of ammonia and ammonium ion?
What is the formula of ferric oxide
What is the valency of ?
The valency of ammonium ion is_____
What is the correct formula of aluminium nitrate?
Al2(NO3)2
Al(NO)3
Al(NO3)3
Al3(NO3)2
- FeS2
- Fe2S
- FeS
- FeSO4
Formula for sodium carbonate is:
NaCO2
Na3CO2
na2CO3
Na2CO3
Write the chemical formulae for the following compounds:
a)Copper (II) bromide (b) Aluminium (III) .nitrate (c) Calcium (II) phosphate
d) Iron (III) sulphide (e) Mercury (II) chloride (f) Magnesium (II) acetate.
Valency can be defined as the same number of hydrogen atoms or double the number of oxygen atoms that element combines with.
- True
- False
Total number of oxygen atoms present in a molecule of Magnesium sulphate is __________.
Name the compound represented by the formula ?
What is the chemical formula of Aluminium hydroxide?
The formula of calcium dihydrogen phosphate is
CaH2PO4
Ca(HPO4)2
Ca(H2PO4)2
Ca3(PO4)2
Write the chemical formulae of the following :
(a ) Magnesium chloride ( b) Calcium oxide (c) Copper nitrate
(d) Aluminium chloride (e) Calcium carbonate (f) Zinc sulphate.
Write the molecular formulae for the compound: Magnesium (II) acetate
Write the chemical formula of the following compound:
Potassium Ferricyanide
Statement-1: An element of valency 2 can combine with an element of valency 1.
Statement-2: To write the chemical formula, one must know the symbol and valency of the elements.
Statements 1 is true
Statements 2 is true
Statements 1 is false
Statements 2 is false
Which of the following statement is/are wrong in case of sodium chloride NaCl?
Valency of chlorine is +1
Valency of chlorine is −1
Valency of sodium is +1
Valency of sodium is −1
What is the formula of magnesium oxide?
what is the chemical formulae of potash alum( phitkari )
The chemical formula for mercuric sulphide is??
Write the chemical formula of the following compounds ;
(B) Magnesium Sulfate
Valency is the number of protons an atom can donate or accept to form a chemical bond with another atom.
- True
- False
While writing a chemical formula of a compound, cation is written on left.
- True
- False
- 7
- 5
- 2
- 10
Define molecular formula
Both B and C
It has one atom each in its molecules
It can combine with the element having valency 1
It has one electron in its first shell
- 1910F
- 816O
- 126C
- 1123Na
- M2Cl
- MCl2
- M3Cl
- MCl3