The number of protons and electrons of the atom in a neutral state.
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Atomic numbers represent the number of protons in an atom's nucleus. It also defines the element, as each element has a unique atomic number.
The atomic number of an element represents the number of protons in the nucleus of an atom of that element. It determines the identity of the element on the periodic table and distinguishes it from other elements.
The atomic number represents the number of protons in an atom's nucleus. It determines an element's unique identity and its position on the periodic table. Elements with the same atomic number are the same element, regardless of their isotopic variations.
The atomic number of an element represents the number of protons in the nucleus of an atom of that element. It is a unique identifying characteristic of an element because different elements have a unique number of protons in their nuclei.
The atomic number of an element represents the number of protons in the nucleus of an atom of that element. It is a unique identifier for each element on the periodic table. The atomic number determines the chemical properties of an element and its position in the periodic table.