What happens to atomic size across a group in the periodic table? Why?

Complete the sentences to best explain the ranking.match the words below to the appropriate blanks in the sentences.a less polar bondhigher molar massion-dipole forcesstronger intermolecular forcesdipole-dipole forcesdispersion forceshydrogen bonding1. h2s and h2se exhibit the following intermolecular forces:.2. therefore, when comparing h2s and h2se the one with a has a higher boiling point .3. the strongest intermolecular force exhibited by h2o is . therefore, when comparing h2se and h2o the one with has a higher boiling point.

State the effect on the concentration of the clo- ion when there is a decrease in the concentration of the oh- ion

How much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol