What are polyatomic ions ? Give examples.
What are polyatomic ions ? Give examples.
The group of atoms which carry a fixed charge (either positive or negative) on them and behave as ions are called polyatomic ions.
Example
$(i)$ Carbonate ion
$(ii)$ Sulphate ion
$(iii)$ Ammonium ion
$(iv) $ Phosphate ion
Similar Questions
Calculate the molar mass of the following substances.
$(a)$ Phosphorus molecule, $P_4$ (Atomic mass of phosphorus $=31$ )
$(b)$ Hydrochloric acid, $HCl$
$(c)$ Nitric acid, $HNO_3$
Calculate the molar mass of the following substances.
$(a)$ Phosphorus molecule, $P_4$ (Atomic mass of phosphorus $=31$ )
$(b)$ Hydrochloric acid, $HCl$
$(c)$ Nitric acid, $HNO_3$
Calculate the molar mass of the following substances.
$(a)$ Ethyne, $(C_2 H_2)$
$(b)$ Sulphur molecule, $(S_8)$
Calculate the molar mass of the following substances.
$(a)$ Ethyne, $(C_2 H_2)$
$(b)$ Sulphur molecule, $(S_8)$
Give the names of the elements present in the following compounds.
$(a)$ Quick lime
$(b)$ Hydrogen bromide
$(c)$ Baking powder
$(d)$ Potassium sulphate.
Give the names of the elements present in the following compounds.
$(a)$ Quick lime
$(b)$ Hydrogen bromide
$(c)$ Baking powder
$(d)$ Potassium sulphate.
How many atoms are present in a
$(i)$ $H_2S$ molecule and
$(ii)$ $PO_4^{3-}$ ion ?
How many atoms are present in a
$(i)$ $H_2S$ molecule and
$(ii)$ $PO_4^{3-}$ ion ?
Define the atomic mass unit.
Define the atomic mass unit.