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प्रश्न
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..............
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उत्तर
Particle formed by losing or gaining electrons by its atom is called ion.
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संबंधित प्रश्न
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
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 ..............
An element X has a valency of 2. Write the simplest formula for oxide of the element.
Give example.
Composite radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Potassium ferrocyanide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic phosphate
Differentiate between the following with suitable examples- A basic radical and an acid radical
State if the following element or radical is divalent?
Nickel
Atoms that carry positive or negative charges are called ______.
