Periodic Classification of Elements [NSO Level 1- Science Olympiad (SOF) Class 10]: Questions 4 - 10 of 60

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Question number: 4

» Periodic Classification of Elements

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MCQ▾

Question

In periodic table, iron is found in which group?

Choices

Choice (4)Response

a.

9

b.

8

c.

7

d.

12

Question number: 5

» Periodic Classification of Elements

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MCQ▾

Question

In Modern periodic table, which elements has the highest electron affinity?

Choices

Choice (4)Response

a.

Cl

b.

Ne

c.

F

d.

Hg

Question number: 6

» Periodic Classification of Elements

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MCQ▾

Question

Which of the following is most electronegative in periodic table?

Choices

Choice (4)Response

a.

Lead

b.

Fluorine

c.

Silicon

d.

Carbon

Question number: 7

» Periodic Classification of Elements

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MCQ▾

Question

In Modern periodic table, which is not part of the affinity for group 1?

Choices

Choice (4)Response

a.

Rb

b.

Cs

c.

Li

d.

Br

Question number: 8

» Periodic Classification of Elements

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MCQ▾

Question

Which of the following do not belong to same group?

Choices

Choice (4)Response

a.

K, Cs, Fr

b.

Co, Rh, Ir

c.

F, Cl, Br

d.

Fr, Ra, Ac

Question number: 9

» Periodic Classification of Elements

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Match List-Ⅰ List-Ⅱ▾

Question

Match both the columns and mark the correct option from the codes given below.

According to Mendeleev periodic law set elements in correct group.

List-Ⅰ (Elements)List-Ⅱ (Group)

(A)

Aluminium

(i)

Group III

(B)

Uranium

(ii)

Group VII

(C)

Potassium

(iii)

Group I

(D)

Manganese

(iv)

Group VI

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (i)
  • (iv)
  • (iii)
  • (ii)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (iii)
  • (ii)
  • (iv)
  • (i)

Question number: 10

» Periodic Classification of Elements

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MCQ▾

Question

Elements react with elements to form a divalent halite. The X and Y is

Choices

Choice (4)Response

a.

X - Cl, Y - Ca

b.

c.

X - Mg, Y - Na

d.

X - Zn, Y - N

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