Answer:Atomic model keep changing because the electrons around the nucleus are not fixed and they keeps rotating or changing their position in valence orbits around the nucleus.
Explanation:
<span>You can prove that moon is in motion by taking two photos with the following features:
They are taken at the same hour and minute.
They are taken on two different nights.
They are taken from the same location.
This would allow an accurate comparison and would should the moon's motion.
I hope this helped! :)</span>
Answer:
0.00073
Explanation:
= Fraction of atoms of the element in the excited state
= Fraction of states
T = Temperature = 4471 K
h = Planck's constant =
= Boltzmann constant =
= Wavelength = 407.3 nm
We have the relation
Change in energy is given by
The fraction of atoms of the element in the excited state is 0.00073
Answer:
see detailed solution attached.
Explanation:
Functions of the skin are the following: helps control body temperature, serves as a barrier of protection, releases waste materials (sweat)
It is one of the largest organ in our body. It also helps retain essential nutrients to keep the skin being hydrated. It is an organ of sensation It contains extensive network of nerve cells that detect and relay changes of the environment.