<span>Kr has 8 valence electrons plus 1 for each Kr-F single bond. Total = 10 elcetrons
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<span>Mantle convection is the slow creeping motion of Earth's rocky mantle caused by convection currents carrying heat from the interior of the earth to the surface. It is one of 3 driving forces that causes tectonic plates to move around the Earth's surface.</span>
Answer- the number of electrons in that particular orbital sub level that’s the answer