2. Calculate the amounts and compositions of phases and constituents of steel composed of iron and 0.25% carbon just above the eutectoid isotherm.

false

because it does not have the potential to be entirely used up

i believe that it is a exoplanet

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.