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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 5H2S04 represent ?
What does 6NaNO3 represent ?
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Iron (III) sulphide:
Write the molecular formulae of Calcium phosphate :
The valency of sodium is one, write the molecular formula for sodium carbonate ?
The valency of sodium is one, write the molecular formula for sodium hydroxide ?
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
If one mole of nitrogen molecules weighs 28 g, calculate the mass of one molecule of nitrogen in grams.
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
‘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’.
State the correct formula of the following from the option given:
Sodium bisulphite
Name the following:
The compound formed when iron [Fe2+] combines with oxygen [O2−].
How many atoms are present in a PO4 3– ion?
Express each of the following in kilograms
58.34 g
Express each of the following in kilograms
5.873×10−21g
Compute the number of ions present in 5.85 g of sodium chloride
A molecule that contains only one atom is called ______ molecule.
