00:01
These questions, they give us an atom would have one proton, one electron, separate by 100 picometer, and ask what is the ionization energy using the column's law, and what wavelength has sufficient energy to separate them.
00:18
So the law is e, which is the energy sufficient to separate these two charged particles, would be 1 over 4 pi epsilon 0 times q1, q2 and r over r which is the distance q1 q2 is the charge and epsilon 0 is the constant in this case we have epsilon 0 equal 8 .85 time 10 to the minus 12 q1 q2 will be have the same absolute value because they are a proton and an electron and the value will be 1 .6 times 10 to the minus 19 column.
01:00
So put all of those information in here we will have e will be equal to 1 4 pi 8 .85 time 10 to the minus 12 the q1 q2 square in this case is square because they have the same absolute value with the minus because they have different charge, one positive, one negative.
01:21
The distance is 100 picometer, converting to meter, is 10 to minus 10.
01:34
So the product of this is 2 .3, time 10 to the minus 18 jule.
01:46
And we know that energy of light will be equal to hc over wavelength.
01:56
So h is the plane constant and c is speed of light...