A hypothetical element has three main isotopes with mass numbers of 51, 53, and 54. If 15.00% of the isotopes have a mass number
of 51 amu and 30.00% of the isotopes have a mass of 53 amu, what atomic weight should be listed on the periodic table for this element?
1 answer:
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Answer:
Wavelength of light in (nm) = 579 nm
Explanation:
At first you find out the amount of energy needed to just eject one electron. This is given by
this energy is given in question in kj/mole. This is the work function of cesium for each electron is equal to the planc'k einstein equation.
