4. Carbon has an EN value of 2.55. Hydrogen has an EN value of 2.2. What kind of bond would form between these atoms?
a) Polar covalent
b) Nonpolar covalent
c) Tonic
d) Metallic
e) None of the above
metallic
5. More electrons in the shared pool of a metallic bond leads to
bonds.
a) stronger
b) weaker
c) more
d) fewer
e) a lack of
6. What kind of bond allows hemoglobin to be soluble in blood?

Is this a single replacement reaction or there is no

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.