给我一个地球大气中发现的元素列表.
下面列出地球大气中最常见的元素: 1. (N2) - 占地球大气的78% 2.氧气 (O2) - 占地球大气的21% 3. (Ar) - 占地球大气的0.93% 4.二氧化碳 (CO2) - 占地球大气的0.04% 5.尼 (Ne) - 占地球大气的0.0018% 6. (He) - 占地球大气的0.0005% 7.甲 (CH4) - 占地球大气的0.0002% 8.克里普顿 (Kr) - 占地球大气的0.0001% 9. (H2) - 占地球大气的0.5% 占地球大气的0.03% 占地球大气的0.02% 占地球大气的0.03% 占地球大气的0.02% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.03% 占地球大气的0.0%.