What are three characteristics of matter do chemists study?

What is the volume of a book that has a width of 10 cm a length that is 2 times the width and a height that is half they would remember to express your answer in keeping units

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Which of the items below would describe the genotype of an individual? a.blue eyes b.bb c.brown fur