What do you think our solar system consists of?

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)

Calculate the mass of 0.750 mol of the following substance. na3po4.