Lithium has the electron arrangement 2,1. When lithium forms an ion,
what will its electron arrangement be? 2,2
2
2,8
2,8,2

when lithium forms an ion it donates 1 electron

which makes its electron configuration to become 2

i believe it is c.) 1575 j.

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.