Four.
The number of protons is the atomic number.
The atomic number of an atom is determined by the number of protons it has.
Four.
The atomic number of an element is the same as the number of protons in its nucleus. Each element has a unique number of protons that no other element can have, therefore it is used as an identifier via atomic numbers.
The number of protons in an atom is equal to its atomic number.
The atomic number of an atom is equivalent to the number of protons in its nucleus.
The number of protons is the atomic number.
The atomic number of an atom is determined by the number of protons it has.
The atomic number.
The atomic number = Number of protons = Number of electrons
Four.
The atomic number is determined by the number of protons in an atom. Therefore, if an atom has 65 protons, its atomic number is 65.
The number of protons in an atom is its atomic number.
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 element is the same as the number of protons in its nucleus. Each element has a unique number of protons that no other element can have, therefore it is used as an identifier via atomic numbers.
The number of protons in an atom is equal to its atomic number.
The number of protons is identical to the number of electrons when an atom is in a neutral state.