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प्रश्न
Explain Octet rule with an example.
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उत्तर
The tendency of atoms to have eight electrons in the valence shell is known as the ‘Octet rule’ or the ‘Rule of eight’.
Example: Sodium with atomic number 11 will readily loose one electron to attain Neon’s stable electronic configuration.
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संबंधित प्रश्न
Define a chemical 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.
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
The valency of noble gases is ______.
Choose the odd one out and write the reason:
Write the basic concept of Kossel – Lewis theory.
How many atoms of each kind are present in the following molecule:
water
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
