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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
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Pb -> Pb^2+ + 2e-}\]
Why do `""_17^35"CI"` and `""_17^37"CI"` have the same chemical properties? In what respect do these atoms differ?
Name the following:
The shell closest to the nucleus of an atom
Copy and complete the following table relating to the atomic structure of some elements:
| Element | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| Beryllium | 4 | 9 | |||
| Fluorine | 9 | 10 | |||
| Sodium | 12 | 11 | |||
| Aluminium | 27 | 13 | |||
| Phosphorus | 31 | 15 |
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^23_11Na}\]
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
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State which one is chemically inert.
