Which of the fol
in oxidation-reduction reaction?
TO
ZnS(s) + 20%(9) ___, ZnSO4(s)
O CaO(s) + H2O(0) Ca(OH)2(s)
O 6Li2O(s) + P4010(9) , 4Li3PO4(s)
O SO2(g) + H20(1) , H2SO3(aq)

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.