Question detail

Which prefix is used in the SI unit to indicate one billionth of a meter?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question

nano

The prefix 'nano' denotes a factor of 10^-9, which means one billionth of a meter.

Misunderstanding SI Units

Students often forget to use the nano prefix when describing atomic sizes, leading to incorrect units like meters instead of nanometers.

Always remember to use nanometers (nm) when discussing atomic sizes, as this is the appropriate SI unit for such small measurements.

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