Wavelengths are often represented in nm. What is the diameter of a helium (He) atom in
2 answers:
<u>Answer:</u> The diameter of helium atom is 0.1 nm.
<u>Explanation:</u>
We are given:
Diameter of helium atom = 
To convert this diameter from kilometers to nano meters, we use the conversion factor:

Converting the above diameter into nano meters, we get:

Hence, the diameter of helium atom is 0.1 nm
Answer:
Diameter He = 0,1 nm.
Explanation:
Km to nm:
⇒ Diameter He = 1.0 E-13 Km * ( 1000 m / Km ) * ( 1 E9 nm / m )
⇒ Diameter He = 0.1 nm
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