( ( ( ( Nonmetals , ) ( on ( ( the ( right side ) ) ( of ( the ( periodic table ) ) ) ) ) ) , ) ( ( have ( ( ( ( ( ( ( ( lower ( average densities ) ) , ) ( melting points ) ) , ) ( boiling points ) ) , ) and ) ( conductivities ( than metals ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Nonmetals)) (, ,) (PP (IN on) (NP (NP (DT the) (JJ right) (NN side)) (PP (IN of) (NP (DT the) (JJ periodic) (NN table))))) (, ,)) (VP (VBP have) (NP (NP (JJR lower) (NN average) (NNS densities)) (, ,) (NP (JJ melting) (NNS points)) (, ,) (NP (JJ boiling) (NNS points)) (, ,) (CC and) (NP (NP (NNS conductivities)) (PP (IN than) (NP (NNS metals)))))) (. .)))
Nonmetals, on the right side of the periodic table, have lower average densities, melting points, boiling points, and conductivities than metals.
(ROOT (S (PP (IN In) (NP (NP (DT a) (NN comparison)) (PP (IN of) (NP (NP (NNS metals)) (PP (TO to) (NP (NNS nonmetals))))))) (, ,) (NP (NNS metals)) (VP (VBP tend) (S (VP (TO to) (VP (VB have) (NP (NP (JJR greater) (NN conductivity)) (CC and) (NP (JJR higher) (NN melting) (NNS points))) (PP (IN than) (NP (NNS nonmetals))))))) (. .)))
In a comparison of metals to nonmetals, metals tend to have greater conductivity and higher melting points than nonmetals.