How many moles are in the number of molecules below? I only need to know the 5th question.

11

1. 6.02×10 23

this is the answer Hope it helps you

iron and sleel

make siroeel

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.