If carbon, which has an electronegativity of 2.5, bonds with hydrogen, which has an electronegativity of 2.1, the bond between the two atoms will be classified as a(n) covalent bond.

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a. some will be tall and some will be short b. they will all be tall c. they will all be short d. they will be medium height