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Chemical Bonding - Set 1

Home
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NUST Entrance Test
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Chemistry
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Chemical Bonding

Set 1

MM

Mashaal Masha

Oct 18, 2022

On this page

$The force which holds together two or more atoms or ions to form a large variety of compounds is called:$
$The theory of chemical bonding has been a major problem of:$
$Chemical reactivity of elements depends upon their characteristics:$
$Which of the following elements is not stable:$
$Elements combine together due to inherent tendency to stabilize themselves by:$
$Which of the following is a noble gas:$
$The tendency of atoms to attain a maximum of eight electrons in the valence shell is known as:$
$In the chemical combinations of sodium and hydrogen to form NaH:$
$In the chemical combination of hydrogen and fluorine to form HF:$
$According to modern theory of chemical bonding, atoms form bond as it leads to a:$

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:

Elements combine together due to inherent tendency to stabilize themselves by:

D:

Mechanics

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

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

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