Question

what are nano particles????

^_^​

Answer 1

A nanoparticle is a small particle that ranges between 1 to 100 nanometers in size.

Answer 2

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A nanoparticle or ultrafine particle is usually defined as a particle of matter that is between 1 and 100 nanometres in diameter. The term is sometimes used for larger particles, up to 500 nm, or fibers and tubes that are less than 100 nm in only two directions.