Which is the best example of rotational motion?
a. the mouse ran in circles around the mousetrap.
b. the skater repeated the figure 8 on the ice.
c. sara spun the dreidel into its pointed end.
d. craig sent the pool ball spinning towards the side pocket.

How many ions that have a +1 charge will bond with an ion that has a -2 charge

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o