Classification of Elements & Periodicity-Present Form of the Periodic Table (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 6 of 20

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Question number: 1

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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MCQ▾

Question

The elements with atomic numbers 35,53 and 85 are all?

Choices

Choice (4) Response

a.

Halogens

b.

Noblegases

c.

High metals

d.

Heavy metals

Question number: 2

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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Question

The elements which occupy their positions in periodic table just after the members of zero group are?

Choices

Choice (4) Response

a.

Alkali metals

b.

Gases

c.

Radioactive

d.

Metals

Question number: 3

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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Question

The statement that is not correct for periodic classification of element is?

Choices

Choice (4) Response

a.

For transition elements, the 3d – orbitals are filled with electrons after 3p – orbitals and before 4s – orbitals.

b.

Non – metallic elements are less in number than metallic elements

c.

63 elements were known when Mendeleev presented the periodic table

d.

The properties of the elements are periodic function of their atomic number

Question number: 4

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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MCQ▾

Question

In the long form of periodic table, the number of period indicates the value of?

Choices

Choice (4) Response

a.

Atomic number

b.

Atomic mass

c.

Azimuthal quantum number

d.

Principal quantum number

Question number: 5

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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MCQ▾

Question

d–Block elements in long form of periodic table are placed?

Choices

Choice (4) Response

a.

In the middle

b.

On the extreme right

c.

On the extreme left

d.

St – the bottom

Question number: 6

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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Question

What is the atomic number of last member of the seventh period of extended form of periodic table?

Choices

Choice (4) Response

a.

122

b.

118

c.

116

d.

120

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