A base produces hydroxide ion in water
Oxygen is the element. It has a total of 6 valence electrons.
Covalent
A covalent bond is the bond where electrons are shared. This occurs between two non mental. N is nitrogen and O is oxygen, therefore NO would be a bond between two non metals. So it must be covalent.
Do I need to solve 12.046 x 10^25 to get the answer