CBSE Class 11 Chemistry Structure Of Atom Worksheet Set A

CBSE Class 11 Chemistry Worksheet - Structure of Atom (1) CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

Ch#2 : Structure of Atom-01

Full Marks: 20

Instructions:1. All questions are compulsory.2. Please give the explanation for the answer where applicable.

Q1 - What were the discrepancies observed in Bohr’s model?(5 Marks) 

Q2 - How many protons and neutron are in the following nuclei? (3 Marks)

Q3 - Which of the following orbitals are not possible -

d, 4f, 6d, 3g (2 Marks)

Q4 - If the largest value of m for an electron is +2, then the electron may be present in what type of sub shell? (2 Marks)

Q5 - Point out the differences and similarities in the orbitals represented by following sets of quantum numbers- n l m

(i) 3 2 +2

(ii) 3 2 –1 (2 Marks)

Q6 - The work function of a metal is 4.2 eV. If radiations of 2000 A0 fall on the metal , then find the kinetic energy of fastest photon electron. (3 Marks)

Q7 - What is the value of Plank’s constant in S.I. Units? (1 Mark)

Q8 - When a ball is hit with a hockey stick by a player, it does not make a wave. Why? (1 Mark)

Q9 - Which series are produced when electrons from the outer orbits jumps to 3rd orbit? (1 Mark)


Please refer to the link below for CBSE Class 11 Chemistry Worksheet - Structure of Atom (1)



Click to View or Download pdf file
Click for more Chemistry Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

National Online Painting Championship

The National Mission for Clean Ganga, Ministry of Jal Shakti in collaboration with Kalantar Art Trust is organizing KALANTAR-2020: National Online Painting Championship with the aim to provide a platform to youth and school children to demonstrate their artistic skills...

Revised SOP preventive measures followed while conducting examinations

Revised SOP on preventive measures to be followed while conducting examinations to contain spread of COVID-19 issued by Ministry of Health & Family Welfare Examination centres are frequented by large number of students (as well as their parents) and staff till the...

Mathematical Literacy Free Practice Book for Students

With a larger goal to promote 21st century skills such as critical thinking and problem solving, the Central Board of Secondary Education has shared a Mathematical Literacy: Practice Book for Students. This Work Book is designed to allow learners of classes 7th to 10th...

Gandhiji Quiz by CBSE

CBSE has launched a Quiz on Mahatma Gandhi. The quiz portal can be accessed on Discover Gandhi portal at: DIKSHA platform ( and the Discover Gandhi mobile App which can be easily downloaded from Google Play Store on...

Keep your kids engaged during Lockdown

Kids are the Future of our Country! Outlines have changed and so should the formats of existence! It is the best time to teach our kids the pleasure of Self-Discipline, Self-Realization and Self-Control. To keep the future generation safe in such unpredictable...

TERI Green Olympiad 2020

Green Olympiad is a value driven project conducted by TERI (The Energy and Resources Institute) for school students annually since 1999. This Olympiad assesses the environment quotient of students and also enhances their understanding on issues related to sustainable...

Studies Today