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Lakhmir Singh & Manjit Kaur - Chemistry

Very Short Answer Type Questions-Pg-281

1 A 1 B 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Short Answer Type Questions-Pg-282

16 A 16 B 16 C 17 A 17 B 18 A 18 B 18 C 19 A 19 B 19 C 20 A 20 B 20 C 21 22 23 A 23 B 23 C 24 A 24 B 25 A 25 B 26 A 26 B

Long Answer Type Questions-Pg-283

27 A 27 B 27 C 27 D 27 E 28 A 28 B 28 C 28 D 28 E 29 A 29 B 29 C 29 D

Multiple Choice Questions (MCQs)-Pg-283

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Questions Based on High Order Thinking Skills (HOTS)-Pg-284

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Very Short Answer Type Questions-Pg-302

1 2 3 4 A 4 B 5 6 7 A 7 B 8 9 10 11 12 13 14 15 16 17 18 19 20

Short Answer Type Questions-Pg-303

21 22 23 A 23 B 24 A 24 B 25 A 25 B 26 A 26 B 27 A 27 B 28 A 28 B 29 A 29 B 30 A 30 B 31 A 31 B 32 A 32 B 33 A 33 B

Long Answer Type Questions-Pg-304

34 A 34 B 34 C 34 D 34 E 35 A 35 B 35 C 35 D 35 E 36 A 36 B 36 C 36 D 36 E

Multiple Choice Questions (MCQs)-Pg-305

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Questions Based on High Order Thinking Skills (HOTS)-Pg-306

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Q. 565.0( 3 Votes )

Which of the following set of elements is written correctly in the order of their increasing metallic character?
A. Mg, Al, Si

B. C, O, N

C. Na, Li, K

D. Be, Mg, Ca

Class 10th Lakhmir Singh & Manjit Kaur - Chemistry 5. Periodic Classification of Elements

Answer :

Be, Mg, Ca, This set of elements is written correctly in the order of their increasing metallic character.

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RELATED QUESTIONS :

Account for the following:

a. Cations are smaller in size than the corresponding atom.

b. The noble gases were discovered very late.

Xam idea - Science

Why are isotopes of an element having different atomic masses placed at the same position in the periodic Table?

Xam idea - Science

The electronic configuration of four elements A,B,C and D is given as follows:

A-2,8 B-2,8,1

C-2,8,2 D-2,8,8

a. Which of them belong to the same period? Name the period.

b. Which of them belong to the same group? Name the group.

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