2. the form of oxygen that combines three oxygen atoms into each molecule is called?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

Most of the carbon on earth is stored in the form of

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.