Asubstance has a mass of 360 g and a volume of 7.5 cm3. what is its density? . a.. 2700 g/cm3. c.. 480 g/cm3. b.. 270 g/cm3. d.. 48 g/cm3.

Using the periodic table, complete the table to describe each atom. type in your answers

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

How might this scientific phenomena be explained? a paper clip floats on water.