The two oxygen atoms share two pairs of electrons, so two covalent bonds hold the oxygen molecule together
A- Change the phase of the matter
Watershed
A watershed is an entire river system of an area drained by a river and its tributaries
An sample of an unknown metal was found in a laboratory. Determining the density of the sample can help identify what type of metal is present in the sample. The sample was determined to have a mass of 27.20 g when placed on a scale. When dropped in water, it increased the volume of the water by 3.46 mL. What is the density of the sample of metal?
Use appropriate SIG FIGS in the answer.
