Hint
One of those is a noble gas, something to do with Superman.
silicon
sodium
krypton
potassium
which element has the LEAST metallic character.
A) silicon
B) sodium
C) krypton
D) potassium
4 answers
Nice one Damon, I wrote an element paper on this. Hint, it can be green in some forms.
Wow, way to give it away with Superman and its color. *Claps sarcastically*
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