The mass of the electron is.. A) about equal to the neutron
B) almost the same as the proton
C) very small compared to the proton
D) very large compared to the neutron

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