What name is used to describe the h-n-h group?

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)