What does the symbol "E3" represent?
2 answers:
Answer: The energy of the electron in third energy level.
Explanation: The energy of the electrons depend on the value of n, i.e the value of principal quantum number which tells the shell of the electron.
E= energy
Z= atomic number
n= principal quantum number
Thus represents the energy of the electron which is present in n=3.
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Answer: 3 times as much the potential energy
Explanation:
Potential energy is the energy possessed by an object by virtue of its position.
m= mass of object
g = acceleration due to gravity
h = height of an object
When same object with same is lifted from 10 feet to 30 feet. The height has increased 3 times , thus the potential energy will also get 3 times as much.