Emily found a piece of metal. She doesn't know what kind of metal it is. What might she measure in lab to find out what type of metal it is? Is this a physical or chemical property?

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth