Answer:
algun moderador puede acabar a este otro este me borró respuesta que no debió borrar
Answer:
B is the answer
Please give brainliest
Explanation:
I play Minecraft and Dream made it once
Answer: The energy of an electron in the n = 2 level of a hydrogen atom is 3.40 eV.
Explanation:
Given: n = 2
The relation between energy and
orbit of an atom is as follows.

Substitute the values into above formula as follows.

The negative sign indicates that energy is being released.
Thus, we can conclude that the energy of an electron in the n = 2 level of a hydrogen atom is 3.40 eV.
0.737 KL would be the answer, pls give brainliest.
Answer:
1. Iron sulfide is the mineral that can be decomposed by black smokers
2.??