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प्रश्न
How do atoms attain Noble gas electronic configuration?
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उत्तर
Atoms of all elements, other than inert gases, combine to form molecules because they have incomplete valence shell and tend to attain a stable electronic configuration similar to noble gases. Atoms can combine either by transfer of valence electrons from one atom to another or by sharing of valence electrons in order to achieve the stable outer shell of eight electrons.
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संबंधित प्रश्न
How do atoms attain noble gas configuration?
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
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?
What is the contribution of the following in atomic structure?
Democritus
Name an element which does not contain neutron.
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
The valency of noble gases is ______.
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
How many electrons are required or released by each atom in chlorine to attain the nearest noble gas configuration?
