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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
Explain the following briefly:
Helium does not form He2 molecule
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
Five atoms are labeled A to E
|
Atoms |
Mass No |
Atomic No. |
|
A |
40 |
20 |
|
B |
19 |
9 |
|
C |
7 |
3 |
|
D |
16 |
8 |
|
E |
14 |
7 |
(a) Which one of these atoms:
(i) contains 7 protons
(ii) has electronic configuration 2,7
(b) Write down the formula in the compound formed between C and D
(c) Predict : (i) metals (ii) non-metals
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reduction.
State the type of bond between Y and Z and give its molecular formula.
Give the orbital diagram of the following:
Magnesium chloride
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^31_15P}\]
The element that would form anion by gaining electrons in a chemical reaction is ______.
Write the basic concept of Kossel – Lewis theory.
