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Yes.
8 electrons
Eight.
A boron atom has three electrons in its second energy level.
There are 77 Neutrons in the nucleus of one atom of Xenon
no , it only emits energy if it moves from a higher energy level to a lower energy level.
Yes.
The energy state of an atom is an energy level.
An atom has multiple energy levels. When an atom has more electrons than it can fit into an energy level, then it puts them into the next higher energy level.
8 electrons
Eight.
There are 8 electrons in the third energy level of a calcium atom.
A boron atom has three electrons in its second energy level.
2 for Helium, 8 for all others; Neon, Argon, Krypton, Xenon, and Radon
Depends upon the atom and element, some have an energy level of 0 and it can be +/- for others depending on the number of protons or electrons in said atom.
An atom has multiple energy levels. When an atom has more electrons than it can fit into an energy level, then it puts them into the next higher energy level.
There are 77 Neutrons in the nucleus of one atom of Xenon