Question

I have 6 protons, 7 neutrons, and 6 electrons.

Answer 1

Protons are what dictate an elements identity and are also determine what number they are appear on the periodic table (their atomic number)

for example,

Hydrogen has 1 proton it has an atomic number of 1
Helium has 2 protons it has an atomic number of 2
etc

Answer 2

http://www.webelements.com/

Answer 3

hope it helps

Answer 4

Carbon 13