What is the nature of the p-o bond in phosphorus pentoxide (p2o5)? elements electronegativity calcium (ca) 1.0 carbon (c) 2.55 fluorine (f) 4.0 hydrogen (h) 2.2 phosphorus (p) 2.19 sodium (na) 0.93 oxygen (o) 3.44 a. nonpolar covalent
b. moderately polar covalent
c. highly polar covalent
d. ionic
e. polar ionic