white of course
it is most likely to be either a nimbostratus cloud or a cumulus cloud.
A molecular gas cloud or nebula is most likely to give birth to stars. These clouds are cold and dense, providing the necessary conditions for gravity to bring together enough material to form a star.
A "Nimbus Cloud" is a cloud that produces precipitation. Most likely a Hail or Snow Cloud.
The cumulonimbus cloud.
An electron cloud is a visual model of the most likely locations for electrons in an atom.
the electron cloud
a proton
Most likely it is a funnel cloud. If it touches the ground then it is a tornado.
Cumulus
cumulus
Cirrus or nombostratus
energy levels