F2(g) + CaB (g) = CaF2(g) + Bp(g) What type of reaction is shown above?
1) synthesis
2) decomposition
3) single replacement 4) double replacement

Here's link to the

cutt.ly/rzNrBcz

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.