Isotopes are atoms of the same element that have different numbers of neutrons.
The answer is going to be A.
Answer:
look at the photo........................
In order to emit electrons, the cesium will have to absorb photons. Each photon will knock out one electron by transferring its energy to the electron. Therefore, by the principle of energy conservation, the energy of the removed electron will be equal to the energy of the incident photon. That energy is calculated using Planck's equation:
E = hf
E = 6.63 x 10⁻³⁴ * 1 x 10¹⁵
E = 6.63 x 10⁻¹⁹ Joules
The electron will have 6.63 x 10⁻¹⁹ Joules of kinetic energy
Answer:
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Explanation:
<h2>HOPE IT WILL HELP YOU✌✌✌✌✌</h2>