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Atoms

Assertion A: ...

Question

Assertion (A): An oxygen atom shares 2 electrons with 2 hydrogen atoms to form a water molecule.
Reason (R): Oxygen and hydrogen atoms need 2 and 1 electron respectively to attain the nearest noble gas configuration.

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Solution

Option (a) is correct.

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Q. Assertion (A): An oxygen atom shares 2 electrons with 2 hydrogen atoms to form a water molecule.
Reason (R): Oxygen and hydrogen atoms need 2 and 1 electron respectively to attain the nearest noble gas configuration.

Q. Statement 1 (S1): The electronic configuration of oxygen is 2, 7.
Statement 2 (S2): An oxygen atom gains two electrons to attain the nearest noble gas configuration.

Q. Assertion :In the formation of water molecule, both hydrogen and oxygen atoms attain octet of electrons. Reason: Oxygen atom forms two ionic or electrovalent bonds with two hydrogen atoms.

Q. Statement 1:

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molecule attains noble gas configuration by sharing electrons between atoms.

Statement 2: The shared electrons belong to the outermost shells of both atoms.

Q. When a carbon atom shares its valence electrons with other atoms, it attains its nearest noble gas configuration, which is of _______.

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