Question # 1

The elements of group 17 are called:

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Carbon family

Noble gases

Alkaline earth metals

Halogen family

The right most position in the periodic table is occupied by:

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Alkall metals

Alkaline earth metals

Translation metals

Noble gasses

Transition elements are:

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all gases

all metals

all non-metals

all metalloids

The periodic table consist of ________________ columns.

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Periods

Rows

Column

Nil

The no.of elements in the first period is

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2

8

18

23

The base of modern periodic table is

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Atomic number (Z)

Mass number (A)

Avogadro's Number

Quantum Number

4^th and 5^th period of the long form of periodic table are called

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short periods

Normal periods

Long periods

Very long periods

Group runs from ________________

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Top to bottom

Left to right

Top to right

Bottom to left

D-block consists of:

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4th,5th & 6th periods

2nd, 3rd & 4th periods

1st, 2nd, & 3rd periods

An ________________ scientist arranged the elements in order in periodic table.

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English

Italian

African

Indian

Th name of chemist who arranged all the elements in the periodic tale is :

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J.Newlands

Columb

Einstine

None of these

The other name of modern periodic table is ________________ of periodic table.

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Long form

Simplified

Simplest

Nil

The no.of electrons in the valence shell of noble gases is

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1

6

7

8

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9th Class Chemistry Chapter 3 Periodic Table and Periodicity of Properties English Medium KPK Boards Online Mcqs MCQs With Answers

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