Give the number of protons, neutrons and electrons in a Calcium-39 atom. Write the
nuclear symbol.
If you could explain the process of finding your answer, I'm just really confused.

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.

increased stability in the completion of fluorine's outer shell.