Law of reflection is the angle of incidence = angle of reflection.
Helium has only 2 electrons in it's valence shell
So, option D is your answer.
Hope this helps!
Answer:
the work done by the motor is 531,45 Joules
Explanation:
Using a sketch of the possible conditions, we need to find the distance that the block was moved, in order to find the work done by the electrical motor.
The sketch could be seen in the attached image.
Answer:
in the nucleus of the atom
Explanation:
a p 3 x