The atomic number of Krypton is 36. If the mass of Krypton is 84, which table shows the number of subatomic particles inside and outside of the nucleus in an atom of Krypton.

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.

12 is it do you think so