Find the number of moles, the number of representative particles, and the volume each substance would occupy if
it were a gas.

5.00 g of H2

333 g SnF2

its first and third is your answer i did the qustion the fourth isnt right

if the temperature drops and becomes cool

then the atmosphere can be freezing as the water vapor in the air is at maximum (100%) and can be severely cold

also can be snowing lightly as the moisture in the air will start to solidify

and btw this is not chemistry but