Advertisements
Advertisements
प्रश्न
Write the molecular formulae of Sodiun sulphide:
उत्तर
sodium sulphide - `"Na"_2"S"`
APPEARS IN
संबंधित प्रश्न
What does 6NaNO3 represent ?
Write the molecular formulae of Magenesium oxide :
Write the molecular formulae of Calcium hydroxide :
Write the molecular formulae of Hydrogen chloride :
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Calcium phosphate :
The valency of sodium is one, write the molecular formula for sodium sulphate ?
If 1 gram of sulphur dioxide contains x molecules, how many molecules will be present in 1 gram of oxygen ?
(S = 32 u ; O = 16 u)
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
‘Dilute hydrochloric acid is added to sodium hydroxide’. Give a word equation and a molecular equation of the same. Is the equation written, a balanced equation. Give reasons.
Fill in the blank:
The formula of aluminium sulphate is _________.
Name the following:
A non-metal which forms a polyatomic molecule with more than three atoms.
Molecule containing more than three atoms are known as ______.
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Define molecule.
Express each of the following in kilograms
5.84 × 10−3 mg
A group of atoms carrying a fixed charge on them is called ————.
A molecule containing three atoms is called a ______ molecule.
