Using only the information available in the periodic table, consider the elements calcium and chlorine. From their location on the periodic table, identify the oxidation state and number of valence electrons for calcium and chlorine. Which statement most
accurately describes the compound formed by calcium and chlorine?

The number at the end of an isotope’s name is the number.

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

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