Write the balanced equation for the synthesis of barium nitride.

Ithink this is what you meant. the temperature at which a liquid begins to boil is called the boiling point. the boiling point of water is 212°f or 100°c.  and at that point will start to turn into steam (gas)

C) electrons encircling a nucleus with neutrons and protons

Wagons/motorized vehicles

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium