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प्रश्न
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
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उत्तर
In water molecule oxygen requires 2 electrons.
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संबंधित प्रश्न
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
Match the column A with Column B.
|
Column A |
Column B |
|
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
State the type of bonding in the following molecule.
Calcium oxide
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
Name the following:
The shell closest to the nucleus of an atom
What do you understand by redox reactions?
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reduction.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
How many atoms of each kind are present in the following molecule:
water
