According to the current model of the atom, the atoms are most stable when they have filled outer energy levels. how do the properties of noble gases support this model? ?

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

How does the motion of particles in a gas change as the gas cools