2NaN, -> 2Na +3N,
How many grams of NaN, are needed to produce 4.00 L of nitrogen gas at STP?

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

lol idk man i guess u gotta ask bill nye the science guy

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms