Advertisements
Advertisements
प्रश्न
The valency of sodium is one, write the molecular formula for sodium carbonate ?
Advertisements
उत्तर
sodium carbonate : Na2CO3
APPEARS IN
संबंधित प्रश्न
What does 2C02 represent ?
What does 2H2S represent ?
What does 5H2S04 represent ?
Write the molecular formulae of Iron (III) sulphide:
How many units of charge are developed on each atom?
Write the molecular formulae of Magnesium nitride:
‘Atoms of the same element or different from Dalton’s atomic theory by the Modern Atomic Theory.
Give two examples each of –
- Atoms of the same element
- Atoms of different elements combining to form a molecule.
Explain the term ‘atomicity’.
‘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.
State the correct formula of the following from the option given:
Calcium hydroxide
State the correct formula of the following from the option given:
Ammonium sulphate
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
Name the following:
The compound formed when iron [Fe2+] combines with oxygen [O2−].
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
What is the fraction of the mass of water due to neutrons?
Express each of the following in kilograms
0.584 g
Compute the number of ions present in 5.85 g of sodium chloride
______ can be formed by the same or different kinds of atoms.
