8 (2s2, 2p6)
The first energy level in the electron cloud can hold a maximum of 2 electrons.
In the second energy level of an atom, there can be a maximum of 8 electrons. Magnesium has 12 electrons in total, with 2 electrons in the first energy level and 8 electrons in the second energy level.
An atom with seven electrons will have five electrons in the second energy level.
A boron atom has three electrons in its second energy level.
Maximum of 8 electrons in second energy level.
In the second energy level, eight electrons are allowed at most.
Eight.
there are eight electrons.
The first energy level can hold 2. The second level can hold 8. The third level can hold 18. Fourth and beyond can hold 32.
The second energy level of atoms can hold a maximum of 8 electrons.
The second energy level contains eight valance electrons when it's full.
Argon has 2 electrons in the first energy level, 8 electrons in the second energy level, and 8 electrons in the third energy level.