Four.
4
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.
Four.
The atomic number of an element is equal to the number of protons in the nucleus of that element.
The atomic number of an atom is determined by the number of protons it has.
the number of protons in an atom and the number of electrons in an atom
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 atomic number.
It is equal to the no. of electrons in the atom. It is called the atomic number.
The atomic number = Number of protons = Number of electrons
Four.
The atomic number of an element is equal to the number of protons in the nucleus of that element.
The atomic number of an atom is equivalent to the number of protons in its nucleus.
The number of protons in an atom is its atomic number.
The atomic number of an atom is determined by the number of protons it has.
The atomic number IS the number of protons in the atom's nucleus.
The atomic number is the number of protons in an atom's nucleus.
The amount of protons in an atom is its atomic number