One only - 1s.
One only - 1s.
There is one s orbital and three p orbitals and five d orbitals in the third energy level.
14
The first energy level contains one s orbital, which can hold up to two electrons.
5
5
In the second energy level, there are four orbitals - one 2s orbital and three 2p orbitals.
1st energy has 1 sublevel -- 1 orbital -- 2 electrons 2nd energy level has 2 sublevels -- 4 orbitals -- 8 e- 3rd energy level has 3 sublevels -- 9 orbitals -- 18 e- 4th energy level has 4 sublevels -- 16 orbitals -- 32 e- Notice the pattern? number of orbitals = energy level squared Number of electrons = 2x number of orbitals
They can only have 1 S ORBITAL per energy level (1s, 2s, 3s...). Each S orbital consists of 2 electrons of opposite spin.
one
The first energy level can hold a maximum of 2 electrons, filling the 1s orbital. The second energy level can hold a maximum of 8 electrons, filling the 2s and 2p orbitals.
1 orbital with 2 atoms on it