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Chemical Bonding - 1
1.
Chemical reactivity of elements depends upon their characteristics_____________.
a) Electronic configuration.
b) Atomic radius
c) Enthalpy of atomization.
d) Electron - electron
2.
__________ element has got the both the tendency to gain and lose the electron in bond formation.
a) metallic
b) Stability
c) Atomic radius
d) Hydrogen or Carbon
3.
When bond is formed potential energy of the system ___________.
a) Instability.
b) Atomic radius
c) Decreases.
d) Increases.
4.
In bond formation when repulsive force dominate the attractive force, it leads to ________.
a) metallic
b) Instability.
c) Atomic radius
d) Increases.
5.
Size of an atom decreases as nuclear charge________.
a) Decreases
b) Instability.
c) Greater.
d) Increases
6.
________ effect is responsible for decrease in force of attraction of nucleus for the electron present in the valence shell.
a) Stronger
b) Greater.
c) Side ways
d) Shielding
7.
Ionic radius of anion is greater than the _________ of corresponding atom.
a) Instability.
b) metallic
c) Stability
d) Atomic radius
8.
Increase in the size of the anion is due to increase in _________ repulsion.
a) Enthalpy of atomization.
b) metallic
c) Electron - electron
d) Hydrogen or Carbon
9.
Ionization energy is qualitative measure of the _______ of an Isolated atom.
a) Stability
b) Side ways
c) Greater
d) Stronger
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