Mashaal Masha
Mashaal Masha
 Oct 18, 2022
0
Choose the correct options for the following questions.
The force which holds together two or more atoms or ions to form a large variety of compounds is called:
Difficulty: Easy
A:
A chemical bond
B:
An ionic bond
C:
A covalent bond
D:
A coordinate bond
The theory of chemical bonding has been a major problem of:
Difficulty: Easy
A:
Modern physics
B:
Modern chemistry
C:
Moden biology
D:
Mechanics
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Chemical reactivity of elements depends upon their characteristics:
Difficulty: Easy
A:
Shape
B:
Colour
C:
Electronic configurations
D:
Sizes
Which of the following elements is not stable:
Difficulty: Easy
A:
Xe
B:
Ar
C:
Kr
D:
Li
Elements combine together due to inherent tendency to stabilize themselves by:
Difficulty: Easy
A:
Losing electron
B:
Sharing electron
C:
Gaining electron
D:
All of above
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Which of the following is a noble gas:
Difficulty: Easy
A:
Ne
B:
$Cl_{2}$
C:
$H_{2}$
D:
$N_{2}$
The tendency of atoms to attain a maximum of eight electrons in the valence shell is known as:
Difficulty: Easy
A:
Duplet rule
B:
Triad rule
C:
Octet rule
D:
Tetrad rule
In the chemical combinations of sodium and hydrogen to form NaH:
Difficulty: Easy
A:
Hydrogen atoms gain an electron
B:
Sodium atoms gains an electron
C:
Both the atoms share the electron
D:
None of above
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In the chemical combination of hydrogen and fluorine to form HF:
Difficulty: Easy
A:
Sodium atom donates major share of its electron
B:
Hydrogen atoms donated the major share of its electron
C:
Both the atoms share the electrons equally
D:
None of above
According to modern theory of chemical bonding, atoms form bond as it leads to a:
Difficulty: Easy
A:
Increase energy
B:
No energy change
C:
Decrease energy
D:
then increase in energy

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