The electron cloud model is the orbitals. Its called that because the model demonstrates the atom. The electrons are in the orbital cloud.
Answer:
Liquid
Explanation: It can't be gas because gases are all around us and we can still see light. For solids it can't even move through a solid. Ex: If you're in a solid dome made of rock you can't get any light through. Let me know if I'm right!
As per Kepler's third law we know that
now here we know that
= year of Neptune
= year of Earth
= distance of Neptune from Sun
= Distance of Earth from Sun
so now we will have
so length of year of Neptune is 164.3 years
Twice the amplitude of each wave
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