Checking your understanding : outside, the temperature cools to the dew point, causing ,,a) rain to fall,,b) condensation to occur,,c) dew to ) the relative humidity to exceed 100% percent other ways ,which is the correct answer

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.