When deployed, car air bags rapidly inflate as sodium azide, NaN₃, decomposes into it's component elements, given by the following reaction: 2 NaN₃-> 2 Na + 3 N₂ a) How many grams of NaN₃ are required to form 5 grams of nitrogen
gas? b) How many grams of sodium are produced from that amount of sodium azide? (use your answer from 4a)

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

where's the diagram?

considering the question as per the attachment

here we can see that the radon nuclide has 222 as the atomic mass number and 86 as the atomic number.

when it undergoes nuclear fission it gives polonium which has atomic mass number as 218 and atomic number will be 84 along with a helium nucleus which has 4 atomic mass number and 2 as its atomic number.

222 = 218 + 4 (atomic mass number)

86 = ? + 2; therefore ? = 86-2 = 84.

the atomic mass number of polonium will be 84.