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?

Respuesta :

Otras preguntas

(04.01 MC) Randy used to have poor health. Recently, he has lost a lot of weight and has started feeling much better, but he doesn't know which of his life cha
A young equestrian loved to ride her horse all day long, dreaming of the day she would ride in the kentucky derby. one day in early april, she left home at 10:0
The width of a rectangle is 5 feet, and the diagonal is 8 feet. which is the area of the rectangle? (round to nearest hundredth.)14.14 square feet20 square feet
Newton's _____ law explains why my hands hurt when I clap loudly
What is an incentive?
Un résumé de Tristan et Iseult
List 5 types of food that should be consumed daily in a healthy diet. Give an example of each type.
During the late-1960s, civil rights leaders actively supported which of these?
What is the ph value of water and salt?
The cruise boat can carry up to 45 passengers. the company wants to know the minimum number of passengers needed per cruise to cover its costs.this number is ca