Question

what do you understand by picometer in chemistry

Answer 1

The picometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the metric system, equal to1×10−12 m, or one trillionth (11000000000000) of a metre, which is the SI base unit of length

Answer 2

Picometer is a length measurement unit. A picometer (pm) is a derived metric measurement unit of length. The metric unit prefix pico means one trillionth, or one (1) with eleven (11) nulls in front of it, i.e. 0.000,000,000,001 or 1×10-12.

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