$(a)$ Write the chemical formula of sodium sulphate.
$(b)$ Name one element each that forms a diatomic and a tetraatomic molecule.
$(b)$ Name one element each that forms a diatomic and a tetraatomic molecule.
(N/A) The chemical formula of sodium sulphate is $Na_{2}SO_{4}$.
$(b)$ $A$ diatomic molecule consists of two atoms of the same element. Examples include Oxygen $(O_{2})$,Hydrogen $(H_{2})$,or Nitrogen $(N_{2})$. Any one of these can be cited.
$A$ tetraatomic molecule consists of four atoms of the same element. Phosphorus $(P_{4})$ is a common example of a tetraatomic molecule.
$(b)$ $A$ diatomic molecule consists of two atoms of the same element. Examples include Oxygen $(O_{2})$,Hydrogen $(H_{2})$,or Nitrogen $(N_{2})$. Any one of these can be cited.
$A$ tetraatomic molecule consists of four atoms of the same element. Phosphorus $(P_{4})$ is a common example of a tetraatomic molecule.
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Similar Questions
$A$ change in the physical state can be brought about:
Medium
View Solution$(a)$ The ratio of hydrogen and oxygen in water is $1:8$ by mass. Find out their ratio by number of atoms in one molecule of water.
(Atomic mass: $H=1 \ u, O=16 \ u)$
$(b)$ Write the formulae of the following compounds:
$(i)$ Ammonium sulphate
$(ii)$ Magnesium chloride
(Given: Ammonium $= NH_{4}^{+}$,Sulphate $= SO_{4}^{2-}$,Magnesium $= Mg^{2+}$,Chloride $= Cl^{-}$)
(Atomic mass: $H=1 \ u, O=16 \ u)$
$(b)$ Write the formulae of the following compounds:
$(i)$ Ammonium sulphate
$(ii)$ Magnesium chloride
(Given: Ammonium $= NH_{4}^{+}$,Sulphate $= SO_{4}^{2-}$,Magnesium $= Mg^{2+}$,Chloride $= Cl^{-}$)
Medium
View Solution$(a)$ What do the following formulae stand for:
$(i)$ $2O$
$(ii)$ $O_{2}$
$(iii)$ $O_{3}$
$(iv)$ $H_{2}O$
$(b)$ Give the chemical formulae of the following compounds:
$(i)$ Potassium carbonate
$(ii)$ Calcium chloride
$(c)$ Calculate the formula unit mass of $Al_{2}(SO_{4})_{3}$.
(Given atomic mass of $Al = 27 \, u, S = 32 \, u, O = 16 \, u$)
$(i)$ $2O$
$(ii)$ $O_{2}$
$(iii)$ $O_{3}$
$(iv)$ $H_{2}O$
$(b)$ Give the chemical formulae of the following compounds:
$(i)$ Potassium carbonate
$(ii)$ Calcium chloride
$(c)$ Calculate the formula unit mass of $Al_{2}(SO_{4})_{3}$.
(Given atomic mass of $Al = 27 \, u, S = 32 \, u, O = 16 \, u$)
Medium
View SolutionWrite the atomicity of the following:
$(i)$ Sulphur molecule
$(ii)$ Phosphorus molecule
$(i)$ Sulphur molecule
$(ii)$ Phosphorus molecule
Easy
View SolutionCalculate the number of molecules in $90$ grams of water.
Medium
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