Chemistry 9 Chapter 3 Practice Test 4

ByMuhammad Zaman

Chemistry 9 Chapter 3 Practice Test 4

139

Class 9 Chemistry

Chapter 3

Practice MCQs Test 4

1 / 10

The number of electrons in the valence shell of halogens are _____.

2 / 10

The elements of B-group are called _____.

3 / 10

The horizontal rows in a periodic table are known as _____.

4 / 10

Elements in the same vertical group of the periodic table have same _____.

5 / 10

Element having configuration 1s2 belongs to group:

6 / 10

Across a period (left to right), shielding effect _____.

7 / 10

Valence shell configuration of Na is:

8 / 10

Which of the elements are not p-block representative elements?

9 / 10

John Newland found the similarity in properties of every ________ element.

10 / 10

What is the period number of Nitrogen -7 ?

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