Practice NEUTRONS - 4.2.4 | 4. Structure of the Atom | CBSE 9 Science
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NEUTRONS

4.2.4 - NEUTRONS

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a neutron?

💡 Hint: Think of the charge status of neutrons.

Question 2 Easy

Which atom has no neutrons?

💡 Hint: Consider the simplest atom.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the charge of a neutron?

Positive
Neutral
Negative

💡 Hint: Consider the different charges of protons and electrons.

Question 2

Are neutrons present in hydrogen?

True
False

💡 Hint: Recall the simplest element.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given an atom with 15 protons and a mass number of 31, how many neutrons does it have? Discuss the implications of this neutron count.

💡 Hint: Use the mass number formula.

Challenge 2 Hard

Evaluate the role of neutrons in radioactive decay and how they contribute to the stability or instability of an isotope.

💡 Hint: Think about neutrally charged particles and their effects.

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Reference links

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