- A volume of air occupies 6.00 L at 1 atm pressure. What volume in liters will the air occupy if the
pressure is decreased to 0.25 atm?

they are made of gases.

they have a spherical shape.

they make energy through fusion.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.