alainacorkell938 alainacorkell938

21-04-2024
Chemistry

contestada

What wavelength photon is needed to ionize a helium atom, He (Z=2), with only one electron in the ground state and give the ejected electron 21.0 eV of kinetic energy?

Relax

Respuesta :

Otras preguntas

estward Settlement Which of these factors did not encourage western settlement? American Indians selling their land Completion of the transcontinental railro

change 5 5/16 into a decimal and show work

-6 + 16 + 6 + (-16) =

help please anyone?

3x+2y=8 solve for y (i just need the answer you don't have to work it out for me or nothing)

Simplify the expression by adding (or subtracting) like terms: 5x + 5 + 2x + 5x − 5y − 2y − 2x

Recent findings on the topic of braid-bases research indicate all of the following except A. Early environments matter. B. All children are born to learn. C.

What is the distance between -10 and 10 on the number line?

what christian religion were the spanish trying to spread in the new world

But you were not listening, because you knew it already, had learned, absorbed it already without the medium of speech somehow from having been born and living