The main reason for the observed trend is that Explain your reasoning. additional oxygen atoms draw electron density away from more electrons in the valence shell add electron density to more electronegative elements weaken atoms with a larger atomic radius weaken

indium, and thallium have three electrons i think

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

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1.43 x 10^-11 j the guy commented the awnser just making sure u see it .