A cube of gold-colored metal with a volume of 59 cm³ has a mass of 980 g. The density of pure gold is 19.3 g/cm cubed. Is the metal pure gold? Show your work to justify your answer.

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

Based on its chemical properties, identify the position of each chemical family on the periodic table.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?