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प्रश्न
Give example.
Composite radicals
उत्तर
\[\ce{H3O^+, NH4^+, CO_3^2-, SO4^2-}\]
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संबंधित प्रश्न
Define ‘formula mass’ of a compound.
What is the name of a particle which contains 10 electrons, 11 protons and 12 neutrons ?
Fill in the following blank with suitable word :
The particle which is formed by the gain of electrons by an atom is called ..............
Fill in the following blank with suitable word:
The particle which is formed by the loss or gain of electrons by an atom is called..............
Fill in the following blank with suitable word:
A potassium ion has positive charge because it contains less............... than.....................
An element X has a valency of 2. Write the simplest formula for bromide of the element.
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
Give example.
Bivalent acidic radicals
What do you understand by the following terms?
Acid radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Ferrous sulphide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Magnesium phosphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Nickel bisulphate
Fill in the blank:
Sodium chloride has two radicals. Sodium is a _____ radical while chloride is _____ radical.
Fill in the blank:
A radical with one atom of sulphur and three atoms of oxygen are __________.
Name the following:
The radical containing one nitrogen and four hydrogen atoms.
State if the following element or radical is divalent?
Chromium
State if the following element or radical is divalent?
Bisulphite
Atoms that carry positive or negative charges are called ______.
