Which best explains what happens to the carbon atoms in carbon dioxide during photosynthesis? A They are incorporated into molecules of sugar.

B They are transformed into oxygen atoms. They are transformed into oxygen atoms.

C They are broken down into subatomic particles. They are broken down into subatomic particles.

D They are destroyed to release energy. They are destroyed to release energy.

Draw the lewis dot structure for each of the following polyatomic ions

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon

Match the vocabulary terms to their definitions. 1 . a long, chain-like set of molecules made up of repeating units joined end to end polymer 2 . a hard, brittle, heat- and corrosion-resistant material made by subjecting a nonmetallic mineral mixture to intense heat ceramic 3 . a plastic with low elongations that cannot be recycled thermoset 4 . a carbon fiber embedded in a polymer resin matrix thermoplastic 5 . a plastic with high elongations that can be recycled crystal 6 . a solid form resulting from the arrangement of atoms, ions, or molecules in definite geometric patterns composite