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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.
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संबंधित प्रश्न
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a non-metal.
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
(i) How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
(ii) How many electrons are required for their octet structure?
In term of electron transfer, define
Reduction
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 do you understand by redox reactions? Explain oxidation and reduction in terms of loss or gain of electrons.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
State the type of bonding in the following molecules.
Water,
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.
Spot the error/correct the wrong statement:
In the formation of compounds, the inner shell electrons of an atom involved in bonding.
