Subatomic particles and the nuclear atom Quiz
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5 questions, one answer each
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1. Which particle has a relative charge of 0?
- A. Proton
- B. Electron
- C. Nucleus
- D. Neutron
2. Which statement about an electron is correct?
- A. It is found in the nucleus
- B. It has a relative mass of 1
- C. It has a relative charge of -1
- D. It has no mass at all
3. What did Rutherford conclude from the very few alpha particles that bounced back?
- A. Atoms are solid spheres
- B. There is a small, dense, positively charged nucleus
- C. Electrons are in fixed shells
- D. Atoms contain no charge
4. Which model described the atom as a ball of positive charge with electrons embedded in it?
- A. Dalton's model
- B. Bohr's model
- C. The plum pudding model
- D. The nuclear model
5. An atom has 6 protons. How many electrons does it have if it is neutral?
- A. 12
- B. 6
- C. 0
- D. 3