This question is inadequate; an average number of protons and neutrons has no sense.
The number of protons in the known today chemical elements is between 1 and 118.
Aluminium has 13 protons in all isotopes.
The number of protons in an atom's nucleus determines its chemical identity.
The atomic number of an atom is determined by the number of protons it has.
The mass number represents the total number of protons and neutrons in the nucleus of an atom. The atomic number specifies the number of protons in the nucleus. The difference between the mass number and atomic number gives the number of neutrons in the nucleus.
The number of protons is the atomic number.
Aluminium has 13 protons in all isotopes.
On average, in any atom, you will have the same number of electrons and protons.
The number of protons in an atom is its atomic number.
The atomic number of an atom is equivalent to the number of protons in its nucleus.
The number of protons in an atom's nucleus determines its chemical identity.
The atomic number is equal to the number of protons in the nucleus and in a neutral atom will also equal the number of electrons.
The atomic number of an atom is determined by the number of protons it has.
The atom identity is given by the number of protons.
The atomic number is the number of protons in an atom. This number is fixed and determines what element that atom is. The atomic mass is the mass of an atom and is roughly equivalent to the number of protons plus the average number of neutrons that atoms of that particular element.
The mass number represents the total number of protons and neutrons in the nucleus of an atom. The atomic number specifies the number of protons in the nucleus. The difference between the mass number and atomic number gives the number of neutrons in the nucleus.
The number of protons is the atomic number.
atomic mass is the number of protons in an atom mass number is the number of protons plus neutrons in an atom