Chains and rings of carbon atoms form the skeletons of Blank______.Multiple choice question.organic compoundswater moleculesradioactive compounds

Organic compounds are primarily made of chains and rings of Blank______ atoms.Multiple choice question.oxygennitrogencarbonNeed help? Review

Positively or negatively charged atoms are Blank______.Multiple choice question.compoundsionsmoleculesparticles

A molecule that does not include both carbon and hydrogen is classified as an ______ molecule.Multiple choice question.organicinorganic

Carbon-based, or Blank______ compounds are the foundation of organisms.Multiple choice question.photosyntheticorganicatomic

Organic molecules are defined as chemical compounds that contain both ______ and hydrogen.Multiple choice question.calciumcarbonheliumsodium