Photons of minimum energy `496k,J. mol^(-1)` are needed to an atoms. Calculate the lowest frequency of light that will ionize a sodium atom.

Calculate the frequency of light photon of energy 2.24 eV.

Ionization energy of gaseous Na atoms is 495.5" kJ mol"^(-1) . The lowest possible frequency of light that ionizes sodium atom is (h=6.626 xx 10^(-34) J s, N_(A) = 6.022 xx 10^(23)" mol"^(-1))

The ionization energy of 10 times the ionized sodium atom ......

The first ionization energy of caesium is 6.24 xx 10^(-19)J//"atom" . What is the minimum frequency of light that is required to ionize a caesium atom ?

Calculate the ionization energy for a lithium atom.

Calculate the frequency and wavelength of photon with energy 5 ( 10*-8)J.

Bond energy of F_2 is 150 kJ mol^(-1) . Calculate the minimum frequency of photon to break this bond.

A hot metal emits photons of light with energy 3.0 xx 10^(-19) J . Calculate the frequency and wavelength of the photon?