Es momento de practicar, realiza la configuración electrónica para los elementos cuyo Z= 12, 31,50 y 83.Porfavor!

indium, and thallium have three electrons i think

it is stable as it is in group 0 which have full outer shells of electrons

rosa was looking for patterns to predict the products of chemical reactions. she recorded three similar decomposition reactions in the table.she should record 2licl + 3o2.

in the last row of the table. it is the thermal decomposition of chlorate lithium, hence, she should record these products as: lithium chloride ( 2licl ) and oxygen ( 3o2 )   2 > 2 licl + 3o2.