Atomic ModelsPractice Questions & MCQs
Practice Atomic Models questions from Atomic Foundations of Matter (Class 9 Science) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Atomic ModelsQuiz - Solve & Score
Q1. Which conclusion is BEST supported by the deflection of only a tiny fraction of alpha particles?
- A.the positively charged region of the atom is extremely small
- B.the whole atom is positively charged throughout
- C.electrons cause the deflection
- D.the foil has no atoms
Answer: A. the positively charged region of the atom is extremely small
Q2. Why is the development of atomic models a good example of how science progresses?
- A.each model was revised when new experimental evidence appeared
- B.the first model was accepted forever unchanged
- C.models were chosen at random
- D.experiments played no role
Answer: A. each model was revised when new experimental evidence appeared
Q3. Which experimental result would Thomson's model FAIL to predict?
- A.large-angle backscattering of a few alpha particles
- B.the atom being electrically neutral
- C.the presence of electrons
- D.a roughly spherical atom
Answer: A. large-angle backscattering of a few alpha particles
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Where can I practise Atomic Models questions for Class 9 Science?
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Are these Atomic Models questions important for the exam?
Yes. These Atomic Models important questions follow the Science exam pattern (CBSE Boards, plus JEE and NEET foundation), so they help with both school and competitive prep.
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Every Atomic Models question on RankByte comes with the correct answer and a full step-by-step solution, so you learn the concept instead of just guessing.