By definition, we have that the number of neutrons is given by:
# neutrons = atomic mass - # protons
We know that the atomic mass is equal to 84.
We know the atomic number of Krypton is equal to 36. This means that the Krypton has 36 protons and 36 electrons.
Therefore, substituting values we have:
# neutrons = 84 - 36
# neutrons = 48
Answer:
The Krypton has 48 neutrons
Explanation:
neutron stars have diameters of about 20km and they are denser than the earth. A rotating neutron star pulsating electromagnetic beam is a named a pulsars but not all neutron stars are pulsars.
Only three of hundreds of known pulsar are found in supernova remnants because as neutron stars gets older, they lose energy and starts to decrease their rotational speeds and the neutron star could not radiate particles and energy for long as a pulsar does. there are less existing pulsars compared to supernova explosion rate because the life time of pulsars is obout 10×10^6 years after the neutron can no longer spin at high speeds to produce beams of particles and energy, almost all the pulsars are older and spin slow to produce light of visible wavelength or X-ray wavelengths and we only get a pulse of radiation from a neutron star as a pulsar as the beam sweeps over earth.
Acceleration of an object is depended upon the net force acting open the object and the mass of the object
Answer:
37.91594 keV
Explanation:
= Incident energy = 400 keV
θ = 30°
h = Planck's constant = 4.135×10⁻¹⁵ eV s = 6.626×10⁻³⁴ J s
Incident photon wavelength
Difference in wavelength
Final photon wavelength
Energy of the recoiling electron
Energy of the recoiling electron is 37.91594 keV
Your answer is repolarization
