4a Periodic Table I

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Question 1 of 12

1. Question
1 point(s)
Elements in Periodic Table are arranged according to the increase in their
- proton number
- nucleon number
- number of neutrons
- relative atomic mass
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Question 2 of 12

2. Question
1 point(s)
Element A belongs to group I. What is the number of electron in its outer most shell?
- 1
- 2
- 3
- 4
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Question 3 of 12

3. Question
1 point(s)
The proton number of element Z is 20. Element Z is in which group in the periodic table?
- Group 1
- Group 2
- Group 17
- Group 18
- Group 16
Correct

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Question 4 of 12

4. Question
1 point(s)
The proton number of element M is 17. The chemical properties of element M is identical to the element that has proton number of
- 7
- 9
- 19
- 27
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Question 5 of 12

5. Question
1 point(s)
Which of the following statement is TRUE about the modern Periodic Table?
- a group is a vertical column of very different elements
- a period is the horizontal row of elements of similar chemical properties.
- about a 1/3 of the elements in the periodic table are metals
- elements in the same group contains the same number of electrons in their outermost shell.
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Question 6 of 12

6. Question
1 point(s)
Below are the electron arrangement of different elements. Which is them are the electron arrangement of Group 13 element?
- 2.1
- 2.6.3
- 2.8.3
- 2.8.8
Correct

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Question 7 of 12

7. Question
1 point(s)
Below are the electron arrangement of different elements. Which of element is in period 4.
- 2.8.4
- 2.4
- 2.2
- 2.8.8.1
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Question 8 of 12

8. Question
1 point(s)
Which of the followings are Noble Gases?
- I. Neon
- II. Nitrogen
- III. Xenon
- IV. Helium
- V. Hydrogen
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Question 9 of 12

9. Question
1 point(s)
The Noble Gases consist of ___________.
- Single free atoms.
- Diatomic molecules.
- Triatomic molecules.
- Polyatomic molecules
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Question 10 of 12

10. Question
1 point(s)
Which of the following is TRUE about the ‘Noble Gases’?
- I. They are chemically inert (Not active).
- II. They tend to share electrons to form a molecule.
- III. They are colourless.
- IV. They have low boiling point.
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Question 11 of 12

11. Question
1 point(s)
Helium rather than hydrogen is used in modern airship because it is ________ .
- cheap and not reactive.
- less dense than air and not flammable.
- expensive but not reactive.
- expensive, but easy to store.
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Question 12 of 12

12. Question
1 point(s)
Which of the following is the use of argon gas?
- I. As inert gas in filament bulbs.
- II. As fire extinguisher
- III. As mixtures for deep-sea divers
- IV. To produce laser beam.
Correct

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