A neutral atom of fluorine contains 9 electrons. How many of these electrons are in s orbitals?
a. 4
b. 2
c. 6
d. 9

Respuesta :

the answer is A. 2 electrons will go in 1s orbital, 2 more electrons will go in 2s orbital. because the last 5 electrons will go in the 2p orbital but you only want the s orbitals