How does a polar covalent bond differ from a nonpolar covalent bond?

a. in a polar bond, electrons are shared unequally.
b. in a polar bond electrons are transferred
c. a polar bond is always stronger
d. a polar bond only occurs with atoms of the same element.

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Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

What does a numerical subscript following an element in a chemical formula mean?