Question # 1

The minium amont of energy whcih is required to remvoe an electron from valence shell of the gaseous state of an atom is called.

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Potential energy

Ionization energy

Electron affinity

Electronegativity

Malleability is the property by virtue of which a metal can be drawn into.

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Rods

Plates

Sheets

Wires

Which ionic compound has the highest melting point.

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RbCl

KCl

LiCl

NaCl

Bond dissocialation for H2 is

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435 kJ/mol

440 kJ/mol

430 kJ/mol

445 kJ/mol

How many valance shell electrons are there in Na+ ion.

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8

9

1

10

When one mole of each of the following compounds is reacted with oxygen, which wil produce the maximum amount CO2?

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Carbon

Ethane

Diamond

Methane

How many blocks are presnt in modern periodic table

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2

3

4

5

Dative covalent bondis also known as

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Covalent bond

Ionic Bond

Metallic Bond

Coordinate covalent bond

Caustic chemical drain cleaner are captable of dissolving.

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Hair

Food

Grease

All of these

All the elements of Group II A are less reactive than alkali metals. This is because these elements have.

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Decreased nuclear charge

Similar electronci configuration

High ionization energies

Relatively greatr atomic size.

No reaction occurs if the energy of reacting particles.......activation energy.

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Lower than

Greather than

Nearest to

Equal to

The compund formed by oppoite charges are known as.

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Metallic solids

Ionic compounds

Non-polar Covalent compound

None of the above

17th Group of elements contain electrons in their outer most shell

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4

5

7

6

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