Answer:3844 cm^2
Explanation:
62 squared since it is a square, and area is base times height
A nitrogen atoms can make 3 covalent bonds because it has three unpaired electrons
Electron affinity for fluorine is than chlorine most likely , due to the electron repulsion that occur between the electron where n= 2 . the elements in the second period have such small electron clouds that electron repulsion is greater than that of the rest of the family.
The answer is the 3rd one