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प्रश्न
State the term
The symbolic representation of a molecule ______
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उत्तर
The symbolic representation of a molecule molecular formula.
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संबंधित प्रश्न
How many atoms are present in a H2S molecule?
Write the molecular formulae of Sodiun sulphide:
Write the molecular formula of sulphuric acid.
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Calcium phosphate :
The valency of sodium is one, write the molecular formula for sodium hydroxide ?
State the term
A group of atoms that react as a single unit ______.
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
Diagrammatically represent the transfer of electrons.
‘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.
‘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:
Ammonium sulphate
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
How many atoms are present in a PO4 3– ion?
Express each of the following in kilograms
5.84 × 10−3 mg
Compute the number of ions present in 5.85 g of sodium chloride
A group of atoms carrying a fixed charge on them is called ————.
______ can be formed by the same or different kinds of atoms.
A molecule that contains only one atom is called ______ molecule.
