If each balloon is filled with carbon dioxide gas at 20 c and 1 atmosphere calculate the mass and the number of moles of carbon dioxide in each balloon at maxium inflation

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.