Grade IX

Grade IX

7th - 9th Grade

10 Qs

quiz-placeholder

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Grade IX

Grade IX

Assessment

Quiz

Science

7th - 9th Grade

Hard

Created by

Manoj MANDAL

Used 8+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An atom has a mass number of 37 and atomic number 17. How many protons does it have?

20

19

18

17

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be the atomic number of the element in whose atom the K and L shells are full?

10

12

14

16

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The electronic configuration of an atom having atomic number 20 is

2, 8, 8, 2,

2, 8, 6, 4,

2, 4, 10, 6

2, 10, 5, 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons does the outermost shell of neon have?

2

8

18

32

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Almost the entire mass of an atom is concentrated in the

Proton

Neutron

Electron

Nucleus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An element has an electronic configuration of 2, 8, 7. Its valency is

4

1

3

2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct electronic configuration of Nickel with an atomic number 28?

1s2 2s2 2p4 3s2 3p8 3d10

1s2 2s2 2p6 3s2 3p6 3d10

1s2 2s2 2p4 3s2 3p6 3d10 4s2

1s2 2s2 2p6 3s2 3p6 3d8 4s2

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