Neutral atoms belonging to the same element always have the same number of protons. This is because the number of protons in an atom's nucleus defines the atomic number, which determines the element. For example, all neutral atoms of hydrogen have one proton, all neutral atoms of helium have two protons, and so on.

In a neutral atom, the number of protons is also equal to the number of electrons. This is because the positive charge of the protons is balanced by the negative charge of the electrons, resulting in a net charge of zero, which is why the atom is neutral.

However, neutral atoms of the same element can have different numbers of neutrons. These are known as isotopes. For example, hydrogen has three isotopes: protium (no neutrons), deuterium (one neutron), and tritium (two neutrons). All are still hydrogen because they have one proton, but they have different numbers of neutrons.

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Neutral atoms belonging to the same element always have the same number of protons. This is because the number of protons in an atom's nucleus defines the atomic number, which determines the element. For example, all neutral atoms of hydrogen have one proton, all neutral atoms of helium have two protons, and so on.

In a neutral atom, the number of protons is also equal to the number of electrons. This is because the positive charge of the protons is balanced by the negative charge of the electrons, resulting in a net charge of zero, which is why the atom is neutral.

However, neutral atoms of the same element can have different numbers of neutrons. These are known as isotopes. For example, hydrogen has three isotopes: protium (no neutrons), deuterium (one neutron), and tritium (two neutrons). All are still hydrogen because they have one proton, but they have different numbers of neutrons.

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Neutral atoms belonging to the same element always have the same number of protons. This is because the number of protons in an atom's nucleus defines the atomic number, which determines the element. For example, all neutral atoms of hydrogen have one proton, all neutral atoms of helium have two protons, and so on.

In a neutral atom, the number of protons is also equal to the number of electrons. This is because the positive charge of the protons is balanced by the negative charge of the electrons, resulting in a net charge of zero, which is why the atom is neutral.

However, neutral atoms of the same element can have different numbers of neutrons. These are known as isotopes. For example, hydrogen has three isotopes: protium (no neutrons), deuterium (one neutron), and tritium (two neutrons). All are still hydrogen because they have one proton, but they have different numbers of neutrons.

Neutral atoms belonging to the same element always have:

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