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प्रश्न
A group of atoms carrying a fixed charge on them is called ————.
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उत्तर
A group of atoms carrying a fixed charge on them is called Polyatomic ion .
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संबंधित प्रश्न
How many atoms are present in a H2S molecule?
Write the molecular formulae of Hydrogen chloride :
Write the molecular formulae of Iron (III) sulphide:
Write the molecular formulae of Aluminium sulphate :
State the term
A group of atoms that react as a single unit ______.
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
Calculate the number of molecules present in a drop of chloroform (CHCl3) weighing 0.0239 g.
(Atomic masses : C = 12 u ; H = 1 u ; Cl = 35.5 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)
Define molecule.
Express each of the following in kilograms
5.84 × 10−3 mg
