Quiz is based on MelScience VR Lesson Atom Size
1) Why do scientists need to define what atom size is?
Because atoms are too small to measure
Because atoms don’t have a border, it’s like a spherical cloud
Because atoms are moving too fast to measure
2) How do you measure atomic radius?
We measure it with a ruler and it gives us the number
We hold an atom tight in place and measure it with a precise ruler under microscope
We measure a distance between nuclei in a two same-atoms molecule and divide it by two
3) Distance between nuclei in Cl2 between chlorine atoms is 200 pm. What is chlorine atomic radius?
4) Give an example of something that doesn’t have an obvious size. Suggest a definition of its size.
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