which si unit of length is most commonly used to indicate the radius of an atom?\na 1 millimeter (mm)\nb 1…

which si unit of length is most commonly used to indicate the radius of an atom?\na 1 millimeter (mm)\nb 1 picometer (pm)\nc 1 micrometer (μm)\nd 1 nanometer (nm)
Answer
Brief Explanations:
Atoms are extremely small. Picometers are used for very small - scale lengths. 1 pm = 10⁻¹² m. Millimeters (mm), micrometers (μm), and nanometers (nm) are too large for atomic - scale measurements.
Answer:
B. 1 picometer (pm)