0. if you had 2.1077 x 1024 atoms of an unknown element and you were told that there the molar mass of
that element was 78.96 g/mol, calculate the mass of your sample and predict which element would
you had?

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water

The number of medals awarded to the track team during the season.