Answer:
2.7
Explanation:
This is because fluorine has an atomic number 9
Answer:
2, 7
Explanation:
Fluorine has 9 electrons and electronic structures are written listing the amount of electrons in each shell/energy level starting from the first one.
The first one can hold a maximum of 2 electrons and the 2nd, 3rd and 4rth can hold a maximum of 8
