An excited state refers to an atom with electrons at a higher energy level. More than necessary and a ground state is when all atom's electrons are in their lowest orbital possible
protons and neutrons are in the nucleus electrons surround the atom and i have no idea what positrons are i just know they arent in an atom so your answer is B and C
i guess its e) Mn (VII)
if it was wrong pls let me knw
Answer:
Hence, the wavelength of the photon associated is 1282 nm.
Explanation:
