During a lab experiment, two students determine that the mass of the reactants is 63 grams, 23 grams and 19 grams. What is the expected mass of the products?
110 grams
105 grams
ООО
55 grams
95 grams

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.

i think it's letter a.