The number of protons in the nucleus of an atom determines an element's atomic number. In other words, each element has a unique number that identifies how many protons are in one atom of that element. For example, all hydrogen atoms, and only hydrogen atoms, contain one proton and have an atomic number of 1. All carbon atoms, and only carbon atoms, contain six protons and have an atomic number of 6. Oxygen atoms contain 8 protons and have an atomic number of 8. The atomic number of an element never changes, meaning that the number of protons in the nucleus of every atom in an element is always the same.
protons, no. of protons is equal to the atomic number of an element.
The atomic number of an element is equal to the number of protons contained in the atomic nucleus.
The number of protons in the atomic nucleus determines what element it is. Each element has a unique number of protons, known as its atomic number.
The number of protons is equal to the atomic number of an atom
The atomic number of an element is determined by the number of protons.
protons, no. of protons is equal to the atomic number of an element.
Proton
The atomic number of an element is equal to the number of protons contained in the atomic nucleus.
The number of protons in the atomic nucleus determines what element it is. Each element has a unique number of protons, known as its atomic number.
The number of protons is equal to the atomic number of an atom
This particle is the proton, equal to the atomic number.
The number of neutrons.
The atomic number is determined by the number of protons, which are located in the nucleus.
The atomic number of an element is determined by the number of protons.
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In a neutral atom, the number of protons (or the number of electrons) are the same as the atomic number.
The resulting element is protactinium, atomic number 91.