Question # 1

Atoms form chemical bonds to attain the electronic configuration of

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Halogens

Noble gases

Alkali metals

Alkaline earthmetals

H° + H° are ________________ in energy.

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Lower

Higher

Medium

Nil

Transfer of electrons between atoms results in:

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metallic bonding

ionic bonding

covalent bonding

coordinate covalent bonding

Considering the electronic configuration of atoms which atom with the given atomic number will be the most stable one?

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6

8

10

12

Every system in the universe tends to lower its energy to attain ________________

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Freedom

Flow

Stability

Nil

The shape of H2O is ________________

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Angular

Linear

Triangular

All of above

The property of being polar in nature is called:

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Polarity

Chemistry

Both

Nil

Ionic compound are ________________ in water.

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insoluble

Soluble

Covalent

Solvent

Which molecule has single covalent bond?

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O₂

N₂

CI₂

CO₂

Which one is not a tetraatomic molecular?

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H2O

H2O2

SO3

BCL3

"×" & "." Represent:

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Shells

Neutrons

Electrons

Atoms

________________ is triangular in shape.

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BCL3

H2O

CO2

NH3

________________ cannot be seen by naked eye.

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Matter

Molecules

Solid

Liquids

In ionic bond complete ________________ of electrons occurs.

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Paring

Sharing

Transfer

None

For ________________ "like dissolves like".

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Metals

Bonds

Solubility

Nil

The bond between two atoms will be ionic if the difference between their electronegativities is:

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Less than 1.7

Greater than 1.7

Zero

Less than 1.2

________________ solids are hard.

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Ionic

Covalent

Coordinate

Nil

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