What Is The Atomic Number Of A Sodium Atom That Has 11 Protons And 12 Neutrons Blank?

What Is The Atomic Number Of A Sodium Atom That Has 11 Protons And 12 Neutrons Blank? 2 Answers. The atomic number, Z , is precisely the number of protons, positively charged, massive, nuclear particles, so Z = 11 . What is the identity of an element with 11 protons 11 electrons and 12 neutrons?

What Is The Mass Number Of An Atom With 17 Protons 17 Electrons And 18 Neutrons?

What Is The Mass Number Of An Atom With 17 Protons 17 Electrons And 18 Neutrons? An element with 17 protons will always be chlorine. However an element’s mass numbers can vary, which means that it can have different numbers of neutrons. So although chlorine has a mass number of 35 which means it has