Buscar en la Tabla Periódica Sargent Welch (S W) la configuración electrónica de los átomos indicados en a, b y c (para ésto puedes guiarte por la información que aporta el elemento guía de la tabla periódica en el que se detalla la información que encuentras en cada átomo).

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

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.