Answer:
The x unit (symbol xu) is a unit of length approximately equal to 0.1 pm (10−13 m). It is used to quote the wavelength of X-rays and gamma rays.
SI units: 1.0021×10−13 m
Imperial/US units: 3.9453×10−12 in
Natural units: 6.2007×1021 ℓP; 1.8937×10−3 a0
Step-by-step explanation:
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