Question

what is the radius of hidrogen in meter in standard form​

Answer 1

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The hydrogen atom has a radius of 2.5 × 10 –11 m and its nucleus a radius of 1.75 × 10 –15 m

Answer 2

Answer:

    Assuming this is what you meant, one nanometer is equal to 1 x 10^-9 meters. Using this number we come to the conclusion that 1.2 nanometers is equal to 1.2 x 10^-9 meters.

i am not sure though hope it helps u

                       

Explanation: