The density of osmium, which is the densest metal, is 22.57 g/cm3. What is the mass in kg of a block of osmium that measures 1.00 cm x 4.00 cm x 2.50 cm?

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?