Astatine has 85 protons.
82 protons
Technetium has 43 protons.
85
Zinc has 30 protons. You can tell this by looking at its atomic number.
Electrons per shell in astatine: 2, 8, 18, 32, 18, 7.
there are six protrons
Zinc has 30 protrons, 36 neutrons, and 66 electrons
there are 12
57
99
Astatine has 125 neutrons
8
82 protons
there are 11 neutrons.
it has 8 protons
it has 40
Copper has 29 Protons