You have two pieces of jewelry. One of them is supposed to be pure silver. The first piece has a mass of 20.0 g and the other
piece has a mass of 44.0 g. Both pieces displace 4.0 mL of
water. Silver has a density of 10.5 g/cmº. Which piece is
actually silver?

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

No copying 15 pts how does a free-body diagram tell you about the net force on an object?