Question

the following orbital notation is for which element? 1s 2s 2p b n f o

Explanation:

Step1: Count electrons in 1s orbital

The 1s orbital has 2 electrons.

Step2: Count electrons in 2s orbital

The 2s orbital has 2 electrons.

Step3: Count electrons in 2p orbital

The 2p orbital has 5 electrons.

Step4: Calculate total electrons

$2 + 2+5=9$ electrons.

Answer:

F. Fluorine (F has 9 electrons)