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प्रश्न
Give example.
Composite radicals
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उत्तर
\[\ce{H3O^+, NH4^+, CO_3^2-, SO4^2-}\]
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संबंधित प्रश्न
Name the following radicals :
Cr2072
Write the names of `"HgO"` compounds :
Define ‘formula mass’ of a compound.
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..............
An element X has a valency of 2. Write the simplest formula for bromide of the element.
An element X has a valency of 2. Write the simplest formula for oxide of the element.
What is the difference between a cation and an anion ? Explain with examples.
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
Give example.
Positive radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
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?
Nickel
State if the following element or radical is divalent?
Bromide
State if the following element or radical is divalent?
Carbide
