NCERT Class 10 Science-Periodic Classification of Elements[Modern Periodic Table] [NCERT Based General Studies (GS)]: Questions 1 - 7 of 18

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Question 1

Question MCQ▾

The number of protons inside the nucleus of an atom of any element is called as:

Choices

Choice (4)Response

a.

Valence electrons

b.

Valency

c.

Atomic number

d.

All of the above

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Question 2

Question MCQ▾

The first period elements are:

Choices

Choice (4)Response

a.

Li, Be, B, C, N, O, F and Ne

b.

H and He

c.

Na, Ar

d.

Question does not provide sufficient data or is vague

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Question 3

Question MCQ▾

In the modern periodic table basis of classification of elements should be:

Choices

Choice (4)Response

a.

Atomic number

b.

Properties of elements

c.

Periodic functions

d.

Atomic masses

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Question 4

Question MCQ▾

Combining capacity of an element is expressed in terms of its:

Choices

Choice (4)Response

a.

Valence electrons

b.

Valency

c.

All of the above

d.

Question does not provide sufficient data or is vague

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Question 5

Question MCQ▾

Elements at the beginning of period forms:

Choices

Choice (4)Response

a.

Acidic oxides

b.

Basic oxides

c.

Amorphous oxide

d.

Question does not provide sufficient data or is vague

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Question 6

Question MCQ▾

Elements on the right side of the periodic table are:

Choices

Choice (4)Response

a.

Metals

b.

Metalloids

c.

Non-Metals

d.

None of the above

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Question 7

Question MCQ▾

Elements in a group show:

Choices

Choice (4)Response

a.

Same valency

b.

Different valencies

c.

Valency in group 1st increases from 1 to 4 and then decreases

d.

Question does not provide sufficient data or is vague

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