Atoms having the same atomic number but different atomic mass are called:

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

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

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