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Ilmkidunya is as long as given a chance to contract up to date and the most updated short question to retain you associated with biosphere new skill and to keep you in relation with you latest and forward-thinking syllabus.
Importance of 9th class short Questions English Medium Chemistry
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English Medium Chemistry subject chapter 2 pattern
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9th Class Chemistry Chapter 2 Online Preparation
9th Class English Medium Subjects
9th Class Urdu Medium Subjects
Online Short Questions For Chapter 2 "9th Class Chemistry English Medium Chapter 2 Preparation "
Try The Short Questions For 9th Class Chemistry English Medium Chapter 2 Preparation
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Total Questions10
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Available Sets3
Chemistry (New Book) - 9th Class Chemistry English Medium Chapter 2 Preparation
Question # 1
Differentiate between shell and sub shell.
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Ans 1: Shell1- The shells are
sub divided into sub shell.2- The fixed circular orbits whichis associated with a definite amount of energy is calledshell .3- K, L, M,N etc. are considered as shell. -
Ans 2: Sub- Shell1- The sub-shells are also themselves composed of atomic orbits2- Each shell is composed of one or more sub shells3- s
, p, d, fare considered as the sub -shells.
9th Class Chemistry English Medium Chapter 2 Preparation - Set 1
Question # 1
Differentiate between shell and sub shell.
-
Ans 1: Shell1- The shells are
sub divided into sub shell.2- The fixed circular orbits whichis associated with a definite amount of energy is calledshell .3- K, L, M,N etc. are considered as shell. -
Ans 2: Sub- Shell1- The sub-shells are also themselves composed of atomic orbits2- Each shell is composed of one or more sub shells3- s
, p, d, fare considered as the sub -shells.
9th Class Chemistry English Medium Chapter 2 Preparation - Set 2
Question # 1
Give one example each of the use of radioactive isotope in medicine and radiotherapy.
- Ans 1: Radioactive isotopes used in medicine. Iodine 131 Radioactive isotopes used in Radiotherapy P -32 Sr -90 Co-60
9th Class Chemistry English Medium Chapter 2 Preparation - Set 3
Question # 1
How the electrons of Na are distributed in different shells?
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Ans 1: The electronic configuration of sodium will be written in shell asK L M2 8 1Further distribution of electrons in sub shells will be
: 1s2, 2s2 , 2p6, 3s1
9th class Chemistry Chapter 2 Preparation
Here you can prepare 9th chemistry chapter 2 online Short Questions Preparation (Unit 2 Structure of Atoms). Click the button for 100% free full practice test.
