Chemistry 9 Chapter 3 Practice Test 6

ByMuhammad Zaman

Chemistry 9 Chapter 3 Practice Test 6

/10
107

Class 9 Chemistry

Chapter 3

Practice MCQs Test No 6

1 / 10

Negative sign is given to electron affinity because energy is _____.

2 / 10

The state required for Chlorine to release energy and form a uninegative ion is _____.

3 / 10

Ionization energy is measured in _____.

4 / 10

In general, ionization energy _____ going bottom to top within a group in the periodic table.

5 / 10

Valence shell configuration of Na is

6 / 10

Element having configuration 1s2 belongs to group

7 / 10

Atomic number is discovered by

8 / 10

Which of these represents an element with a large electron affinity?

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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2 Comments

  1. Assalam O Alaikum. The eighth MCQ is wrong.
    Ionization energy decreases down a group rather than increasing.

    Reply

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