HELP PLEASE What type of change is making water from H^2 and O^2?

A. chemical
B. physical

a. chemical

Explanation:

Water molecules can be broken down into hydrogen and oxygen molecules by a chemical reaction called electrolysis. When an electric current is passed through liquid water (H2O), it changes the water into two gases—hydrogen and oxygen.

i hope this helps:)

Chemical Change is making water from H^2 and O^2.

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach