Question # 1

Metals are teh elements which have.

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Electronegative character

Electropositive character

Both a and b

None of the above

Whcih period of the modern periodic table is considered as incomplete period.

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4th

5th

6th

7th

Which is strongest oxidizing agent.

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Cholorine

Iodine

Fluorine

Bromine

Electron affinity of fluorine in kJmol-1 is

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-328

328

-330

-340

4th and 5th priod of the long form of periodic table are called.

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Short periods

Normal periods

Very long peiods

Long periods

Which one of the followign halogns has highest electronegativity

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Iodine

Fluorine

Chlorine

Bromine

Which are good conductor of heat and electricity

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Metals

Non metals

Metalloids

All of these

Mark the icorrect statement about ionization energy.

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It is measured in kJmol-1

It is absorption of energy

It decreased in a period

It decrese in a group

Number of peiod in the periodic table are.

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7

8

5

16

Aong the period which one of the followig decreases.

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Electronegativity

Ionization energy

Atomic radius

Electron affinity

Group nuebr tells about the

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Number of shells

Number of valence electrons

Both a and b

None of these

The ability of an atom to attract the shared pair of electons towards itself in a molecule is called

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Ionization energy

Electronietativity

Shielding effect

Electron affinity

How many elements are present in 6th period.

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2

8

18

32

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