Advertisements
Advertisements
प्रश्न
Explain the term ‘atomicity’.
Advertisements
उत्तर
It is the number of atoms present in a molecule of an element.
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a H2S molecule?
What does 5H2S04 represent ?
Write the molecular formulae of Nitric acide :
Write the molecular formulae of Calcium phosphate :
The valency of sodium is one, write the molecular formula for sodium carbonate ?
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
‘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.
Fill in the blank:
A molecule of an element is _________.
Fill in the blank:
The formula of aluminium sulphate is _________.
State the correct formula of the following from the option given:
Sodium bisulphite
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.
Define molecule.
How many atoms are present in a PO4 3– ion?
How many atoms are present in a `PO_4^(3-)` ion?
Express each of the following in kilograms
58.34 g
Express each of the following in kilograms
58.34 g
Express each of the following in kilograms
5.873×10−21g
