2Na + 2H2O → 2NaOH+ H2 How many grams of hydrogen are produced if 1.2 x 10^2 g of Na are available?

the electron configuration that you gave me has 16 electrons ergo it has 16 protons ergo it is the element sulfur.

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.