Question detail
What is the relative mass of an electron compared to a proton?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and isotopes
Question
- A. 1
- B. 0.5
- C. 1/1836
- D. 1836
Answer
1/1836
Explanation
The relative mass of an electron is approximately 1/1836 that of a proton, making it significantly lighter.
Common mistake
Relative Mass Comparison Mistake
Students often confuse the relative masses of protons, neutrons, and electrons, thinking they are all similar.
Remember that protons and neutrons have a relative mass of approximately 1, while electrons have a much smaller relative mass of about 1/1836.
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