Question detail
What is the approximate size of an atom in nanometers?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
- A. 1 nanometer
- B. 100 nanometers
- C. 10 nanometers
- D. 0.1 nanometers
Answer
1 nanometer
Explanation
Atoms are typically about 1 nanometer in size, which is a billionth of a meter.
Common mistake
Misunderstanding atomic size
Students often think that atoms are much larger than they actually are compared to everyday objects.
To fix this, students should visualize the scale of atoms using models or diagrams that compare atomic sizes to common objects, emphasizing that atoms are on the nanometer scale.
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