Electronic Structure Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. What is the relative charge of an electron?
- A. +1
- B. 0
- C. −1
- D. +2
2. Which particle has a relative mass of 1 and a charge of 0?
- A. Proton
- B. Neutron
- C. Electron
- D. Ion
3. An atom has 17 protons and a mass number of 35. How many neutrons does it have?
- A. 17
- B. 18
- C. 35
- D. 52
4. What is the key experimental evidence that led scientists to replace the plum pudding model with the nuclear model?
- A. The discovery of the electron
- B. The alpha particle scattering experiment
- C. The measurement of atomic mass
- D. The discovery of the neutron
5. Two atoms of chlorine have 17 protons each, but one has 18 neutrons and the other has 20 neutrons. What best describes these two atoms?
- A. They are different elements
- B. They are isotopes of the same element
- C. They are ions of chlorine
- D. They have different atomic numbers