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Short questions of the 9th class short Questions English Medium Chemistry subject chapter 3 are available here. Students look forward to the platform where they could get the short questions in chapter wise. Here at this platform of ilmkidunya.com students can get the short questions of the Chemistry in apt sequence.
Up to date short Questions of Chemistry
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English Medium Chemistry subject short Questions
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9th Class Chemistry Chapter 3 Online Preparation
9th Class English Medium Subjects
9th Class Urdu Medium Subjects
Online Short Questions For Chapter 3 "9th Class Chemistry English Medium Chapter 3 Preparation "
Try The Short Questions For 9th Class Chemistry English Medium Chapter 3 Preparation
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Total Questions10
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Available Sets4
Chemistry (New Book) - 9th Class Chemistry English Medium Chapter 3 Preparation
Question # 1
Define Periods?
- Ans 1: Seven horizontal rows present in periodic table are called periods. Numbered from 1 to 7.
9th Class Chemistry English Medium Chapter 3 Preparation - Set 1
Question # 1
Define Periods?
- Ans 1: Seven horizontal rows present in periodic table are called periods. Numbered from 1 to 7.
9th Class Chemistry English Medium Chapter 3 Preparation - Set 2
Question # 1
How many elements are placed in first period and what are their names and symbols.
- Ans 1: There are two elements in first period, Hydrogen (H), Helium(He)
9th Class Chemistry English Medium Chapter 3 Preparation - Set 3
Question # 1
Give the trend of ionization energy in a period?
- Ans 1: If we move from left to right in a period the value of ionization energy increases. Because the size of atom reduce and valence electrons are held strongly by the electrons are held strongly by the electrostatic force of nucleus. Therefore elements on left side of the periodic table have low ionization energies as compared to those on right side of the periodic table.
9th Class Chemistry English Medium Chapter 3 Preparation - Set 4
Question # 1
Why do the bigger size atoms have more shielding effect?
- Ans 1: In bigger size atoms the number of inner shells and inner shell electrons increases hence the shielding effect in bigger size molecules also increases.
9th class Chemistry Chapter 3 Preparation
Here you can prepare 9th chemistry chapter 3 online Short Questions Preparation (Unit 3 Periodic Table and Periodicity of Properties). Click the button for 100% free full practice test.
