Plz help!!.

How will you manage your time to accomplish the necessary tasks both on the job and at home?

What element is able to combine with itself and hydrogen to form large molecules ?

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.