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An element is defined by the number of protons present in the nucleus of the atom. The atomic number just happens to correspond with the number of protons.
An element consists of atoms that have the same number of protons in their nucleus. Each element is uniquely defined by its atomic number, which is the number of protons in its nucleus, and can be found on the periodic table.
The number of protons in the atom's nucleus determines the element that the atom belongs to. This number is known as the atomic number and is unique to each element. By identifying the number of protons in an atom, we can determine its elemental identity.
The number of protons in the nucleus identifies the element. It is like a fingerprint for that element. No other element will have that same number of protons. As soon as the number of protons in the nucleus changes, so does the identity of the element change.
Elements are defined by the number of protons they have in their nucleus, known as the atomic number. Each element has a unique atomic number that distinguishes it from other elements on the periodic table.
The atomic number tells you the number of protons in the nucleus. As such, it defines the element, since each element has a definite and defined number of protons. In the element, it also tells you the number of electrons, since the element (not the ion) has a neutral charge and protons = electrons.
The number of protons in the nucleus determines the identity of the element.
The smallest part of an element that maintains its properties is an atom. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons. Each element is defined by the number of protons in its nucleus, known as the atomic number.
The number of protons in the nucleus of its atoms.
In the Bohr model of the atom, protons are located in the nucleus at the center of the atom. The nucleus contains both protons and neutrons, while electrons orbit around the nucleus in defined energy levels. The number of protons in the nucleus determines the atomic number and the identity of the element.
An element can be identified by the number of protons in the nucleus of its atoms.
The mass number of an isotope of an element is defined as the sum of the numbers of protons and neutrons in the nucleus of each atom of the isotope. The atomic number is defined as the number of protons only in the nucleus. Therefore, an atom with an atomic number of 6 has 6 protons in its nucleus.