Atomic Models MCQs
Practice Atomic Models multiple-choice questions from Atomic Foundations of Matter (Class 9 Science) - tap an answer for instant feedback and a step-by-step solution. 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
Master Atomic Models on RankByte
Step-by-step solutions, mock tests, live ranks and streaks - free to start.
Get early access