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प्रश्न
Fill in the blank:
A molecule of an element is _________.
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उत्तर
A molecule of an element is chorine.
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संबंधित प्रश्न
What does 2H2S represent ?
Write the molecular formulae of Magenesium oxide :
Write the molecular formulae of Calcium hydroxide :
Write the molecular formulae of Iron (II) sulphide :
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 hydroxide ?
Fill in the blank
_______ is a triatomic molecule.
What is a molecule ? Explain with an example.
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
Write the molecular formulae of Magnesium nitride:
Fill in the blank:
The formula of aluminium sulphate is _________.
State the correct formula of the following from the option given:
Copper [II] nitrate
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
How many atoms are present in a PO4 3– ion?
Express each of the following in kilograms
5.873×10−21g
______ can be formed by the same or different kinds of atoms.
