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Krypton
Sulfur is most commonly referred as a foul smelling element.
Potassium is the period four element with the lowest mass; its average mass is 39.0983amu.
It is krypton as it the far most right on the periodic table, having the smallest radius
According to scientists, Krypton was initially discovered by William Ramsey while conducting experiments with liquid gasses in London in 1898. Krypton is naturally found in the earthâ??s crust.
no, it is most commonly found as a compound
hydrogen is most commonly found as a part of water with oxygen.
krypton
In the Earth's atmosphere.
Oxygen, hydrogen, halogens
Very probable this element is oxygen.
Oxygen, hydrogen, halogens
Polonium doesn't contain another element.
Polonium doesn't contain another element.
I think it is hydrogen
Because it's the most simple.
Krypton (Kr) differs the most from potassium.