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Previous year question hub

Atomic Structure and Periodicity - Life Sciences Previous Year Questions

Practice Atomic Structure and Periodicity - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

17Papers
17Years
30Questions
1Topics

Atomic Structure and Periodicity question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Atomic Structure and Periodicity. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 17 56.7%
Medium 13 43.3%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 18 60%
Numerical Answer Type (NAT) 9 30%
MSQ 3 10%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
30 Qs

Most asked topics

Top topics across the included previous year papers.

Atomic Structure and Periodicity
30 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Atomic Models and Electronic Configuration
20 Qs
Periodic Properties
10 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Life Sciences (XL) 2026
2 Qs
Life Sciences (XL) 2025
1 Qs
Life Sciences (XL) 2024
2 Qs
Life Sciences (XL) 2023
2 Qs
Life Sciences (XL) 2022
3 Qs
Life Sciences (XL) 2021
1 Qs
Life Sciences (XL) 2020
2 Qs
Life Sciences (XL) 2019
2 Qs
Life Sciences (XL) 2018
2 Qs
Life Sciences (XL) 2017
2 Qs
Life Sciences (XL) 2016
1 Qs
Life Sciences (XL) 2014
2 Qs
Life Sciences (XL) 2012
1 Qs
Life Sciences (XL) 2011
2 Qs
Life Sciences (XL) 2010
1 Qs
Life Sciences (XL) 2009
1 Qs
Life Sciences (XL) 2007
3 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Atomic Models and Electronic Configuration

Explore previous-paper coverage, trends and focused practice for Atomic Models and Electronic Configuration.

20 questions15 papers15 years

Periodic Properties

Explore previous-paper coverage, trends and focused practice for Periodic Properties.

10 questions9 papers9 years

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Life Sciences (XL) 202620262View paper
Life Sciences (XL) 202520251View paper
Life Sciences (XL) 202420242View paper
Life Sciences (XL) 202320232View paper
Life Sciences (XL) 202220223View paper
Life Sciences (XL) 202120211View paper
Life Sciences (XL) 202020202View paper
Life Sciences (XL) 201920192View paper
Life Sciences (XL) 201820182View paper
Life Sciences (XL) 201720172View paper
Life Sciences (XL) 201620161View paper
Life Sciences (XL) 201420142View paper
Life Sciences (XL) 201220121View paper
Life Sciences (XL) 201120112View paper
Life Sciences (XL) 201020101View paper
Life Sciences (XL) 200920091View paper
Life Sciences (XL) 200720073View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Life Sciences · Atomic Structure and Periodicity · Atomic Models and Electronic Configuration
Life Sciences (XL) 2007
The ionization energy of hydrogen atom in ground state is 13.6 eV. The ionization energy of Li2+ in ground state would be
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2
2009 · Life Sciences · Atomic Structure and Periodicity · Atomic Models and Electronic Configuration
Life Sciences (XL) 2009
If the ground state ionization energy of the hydrogen atom is denoted by \( \varepsilon \), then the energy required to ionize an electron from the 3d energy level of the hydrogen atom is
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3
2010 · Life Sciences · Atomic Structure and Periodicity · Periodic Properties
Life Sciences (XL) 2010

The ionization energy follows the order

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4
2011 · Life Sciences · Atomic Structure and Periodicity · Atomic Models and Electronic Configuration
Life Sciences (XL) 2011
According to the molecular orbital theory, bond order for H₂⁺ species is
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5
2012 · Life Sciences · Atomic Structure and Periodicity · Periodic Properties
Life Sciences (XL) 2012
The ionic size of Na+, F-, Mg2+ and Al3+ varies as
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6
2014 · Life Sciences · Atomic Structure and Periodicity · Atomic Models and Electronic Configuration
Life Sciences (XL) 2014
Potassium metal crystallizes in the body-centered cubic structure. The number of atoms per unit cell is equal to
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