Structure of an unknown atom 2.5. What is the symbol of this atom and the charge of the necleus?​

Explanation is in the file

https://cutt.ly/kzjInUL

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.

im pretty sure its b