If we start with 12 grams of a sample how much remains after 2 half life's

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Which metals are called noble metals

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