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Chemistry Classification Of Elements And Periodicity In Properties NEET Mock Test 3

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NEET Practice Questions on Chemistry Classification Of Elements And Periodicity In Properties

Mock Test: 20 Questions – 20 Minutes
Prepare yourself for NEET with 20 challenging questions from Chemistry – Classification of Elements and Periodicity in Properties. You have exactly 20 minutes to complete this test. Each correct answer carries 4 marks and each wrong answer carries -1 mark (NEET marking scheme). Ready to begin?

Time Left: 20:00

Q1. Which of the following elements has the highest electronegativity?

Q2. The element with atomic number 15 belongs to which group in the modern periodic table?

Q3. Which of the following has the largest atomic radius?

Q4. What is the periodicity in properties of elements primarily based upon?

Q5. The modern periodic law states that the properties of elements are a periodic function of their:

Q6. Which of the following is a transition element?

Q7. What is the period number for the element with atomic number 11?

Q8. The first ionization enthalpy will be maximum for which of the following?

Q9. Which set has elements arranged in the increasing order of metallic character?

Q10. Which among the following has the smallest atomic radius?

Q11. For which pair of elements will diagonal relationship be observed?

Q12. Mendeleev's periodic table was based on:

Q13. Which of the following electronic configuration is of an s-block element?

Q14. Which of the following shows the correct order of electron affinity?

Q15. The lanthanoids are placed in which block of the periodic table?

Q16. Which property generally increases down the group in the periodic table?

Q17. Which of the following is the most basic oxide?

Q18. Which of the following was not explained by Mendeleev’s periodic law?

Q19. According to periodic law, elements are arranged in:

Q20. Which group in the modern periodic table contains noble gases?

Congratulations! You answered all questions correctly!

What is the Chemistry Classification of Elements and Periodicity in Properties Mock Test for NEET?

The Chemistry Classification of Elements and Periodicity in Properties Mock Test gives NEET 2026 aspirants a practice platform for mastering the periodic table concepts and periodic trends. This mock test closely aligns with NCERT topics and replicates the NEET exam format.


This online test consists of 20 MCQs covering classification of elements, types of periodic trends, and key properties according to the latest NEET pattern. Practicing this mock improves speed, accuracy, and confidence before the actual exam.


How Chemistry Mock Tests Help NEET Aspirants

Mock tests on Classification of Elements and Periodicity in Properties solidify your basics and build the foundation for solving advanced questions. You revise all critical periodic trends such as atomic size, electronegativity, ionization energy, etc. under exam conditions.


Timed mock tests enhance your time management and problem-solving skills. By reviewing instant feedback, you learn your strengths and target your weak areas for revision. For more resources and in-depth concept support, check out our NEET course page.


Chemistry Topic-wise Mock Test Coverage

SubjectTopics CoveredNo. of Questions
Chemistry Classification of Elements 5
Chemistry Modern Periodic Table & Law 4
Chemistry Periodic Trends (Atomic Radius, Ionization Energy, Electron Affinity, Electronegativity) 7
Chemistry Types of Elements: s, p, d, f blocks 2
Chemistry Mendeleev’s Table & Limitations 2

How to Take the Chemistry NEET Mock Test

Start by opening the mock test page on your device. Click on the “Start the Mock Test” button to begin the quiz and activate the timer. Answer all 20 MCQs, marking your choices for each.


You can submit your answers any time, or the test will auto-submit after 20 minutes. Instantly review your score, NEET-style, and see detailed answer highlights for thorough self-assessment.


Why Choose Vedantu's Chemistry NEET Mock Test?

Vedantu’s Chemistry mock test is designed specifically for NEET 2026, following the official exam pattern and the NCERT class 11/12 syllabus. Every question is set by experts to help you prepare authentically.


Instant scoring helps you know your exact level. Our explanations and answer reveals make revision and self-improvement easy, for every Chemistry topic you need for NEET.


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5NEET Registration
6NEET Admit Card
7NEET Exam Centers
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FAQs on Chemistry Classification Of Elements And Periodicity In Properties NEET Mock Test 3

1. What is the classification of elements in chemistry?

The classification of elements in chemistry refers to the systematic arrangement of elements based on their atomic number, properties, and electronic configuration. This approach helps students and scientists easily predict element behaviors and relationships.

• Groups elements with similar properties
• Utilizes the periodic table as a visual tool
• Aids in identifying trends like valency, reactivity, and metallic character

2. How does periodicity in properties help students in NEET?

Periodicity in properties allows NEET aspirants to easily remember trends and patterns across the periodic table, which is essential for quick problem-solving.

• Simplifies predicting chemical behavior of elements
• Assists in answering periodic table questions
• Enhances understanding of topics like atomic radius, ionization energy, and electronegativity

3. What are groups and periods in the periodic table?

Groups are vertical columns and periods are horizontal rows in the periodic table.

• Groups: Indicate elements with similar outer electronic configuration and properties
• Periods: Show a gradual change in properties from left to right
• Example: Group 1 contains alkali metals, period 2 contains Li to Ne

4. Why do elements show periodic trends?

Elements display periodic trends because of recurring patterns in their atomic structure as the atomic number increases.

• Results from repeating electronic configurations
• Leads to predictable changes in properties like atomic size and electronegativity
• Forms the basis for grouping in the modern periodic table

5. How can I write a speech on periodic classification in English?

To write a speech on periodic classification, start with a definition, highlight its importance, and include examples from the periodic table.

• Begin with an introduction about Dmitri Mendeleev and the periodic law
• Discuss the structure and logic of the current periodic table
• Mention real-life applications in chemistry and NEET exam tips
• Conclude with the relevance for science students today

6. Where to find NEET chemistry mock test samples?

Students can access NEET chemistry mock test samples through various trusted sources.

• Official NEET/medical entrance websites
• NCERT and other educational platforms
• Sample content and download blocks on focused study pages
• Mock test series by coaching institutions and exam preparation apps

7. What is periodicity in chemistry?

Periodicity in chemistry refers to the repeated occurrence of similar properties in elements at regular intervals across periods.

• Originates due to recurring electronic configurations
• Explains trends in atomic size, metallic character, etc.
• Fundamental to organizing and predicting chemical behavior

8. Why is classification of elements important?

Classifying elements is crucial as it brings order and predictability to chemistry, simplifying study and application.

• Eases identification of element properties
• Enables systematic learning for NEET and academics
• Supports logical deduction of reactions and bonding types

9. What is the difference between groups and periods?

Groups contain elements with similar chemical properties, while periods display a progression of properties across the table.

• Groups: Vertical columns, similar outer shells
• Periods: Horizontal rows, gradual property change
• Each provides unique insight for exam preparation

10. What is the modern periodic law?

The modern periodic law states that "the properties of elements are a periodic function of their atomic numbers."

• Highlights atomic number, not mass, for arranging elements
• Basis for the modern periodic table
• Ensures trends and classification are accurate and scientific