Explain why the outer planets did not lose the lighter gases and their atmosphere

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth