Potassium(k) atomic number 19 will most likely react with which of these following elements A sodium (Na) because it is the same Column.

B calcium (Ca because it is in the same row

C chlorine (Ca) because it is a nonmetal

D argon (Ar) because it is a noble gas

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)