Name one way that the scientific community has honored Mendeleev's contribution to science. I need a good sentence please! This is for science class.

How might this scientific phenomena be explained? a paper clip floats on water.

Calculate the concentration of all species in a 0.165 m solution of h2co3.

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