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प्रश्न
Define a chemical bond.
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उत्तर
A chemical bond may be defined as the force of attraction between any two atoms, in a molecule, to maintain stability.
संबंधित प्रश्न
Give electron dot diagram of the following:
methane
In term of electron transfer, define
Reduction
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
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 |
State the following is a reduction reaction or oxidation reaction.
\[\ce{Pb -> Pb^2+ + 2e-}\]
Give a reason
Physical properties of isotopes are different.
Draw orbit structure diagram of calcium oxide (CaO).
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
Sodium having atomic number 11, is ready to ______ electron/ electrons to attain the nearest noble gas electronic configuration.
Match the following:
| 1. | Atomic bond | a. | Oxygen and hydrogen |
| 2. | Atoms with different electronegativities | b. | acceptor bond |
| 3. | An atom that accepts electron pair | c. | covalent bond |
| 4. | Rusting of iron | d. | donor atom |
| 5. | An atom that provides electron pair | e. | oxidation |
| f. | ionic bond |
