What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons? Selenium atom
A. Se6+
B. Se2+
C. Se6-
D. Se2-

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if you mean hydrogen and oxygen then water is the product

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.