Question

Почему число протонов в атоме численно совпадает с зарядом ядра? Почему в атоме число электронов, равно числу протонов?

Answer 1

Заряд ядра и обуславливают протоны! в целом атом электронейтрален, поэтому число электронов(-)=числу протонов(+)

Answer 2

Why the Number of Protons in an Atom Matches the Nucleus Charge Numerically

The number of protons in an atom matches the nucleus charge numerically because the protons carry a positive charge, and the nucleus is positively charged due to the presence of protons. This fundamental principle is known as the atomic number, which is the number of protons in the nucleus of an atom. The atomic number determines the identity of an element and is unique to each element. Therefore, the number of protons in an atom is equal to the nucleus charge, ensuring electrical neutrality in an atom. This relationship is a fundamental aspect of atomic structure and is crucial for understanding the behavior of atoms.

Why the Number of Electrons in an Atom Equals the Number of Protons

In an electrically neutral atom, the number of electrons is equal to the number of protons. This is because electrons carry a negative charge, and the negative charge of the electrons balances the positive charge of the protons in the nucleus, resulting in an overall neutral charge for the atom. This balance of positive and negative charges is essential for the stability of the atom. The equality of the number of electrons and protons ensures that the atom remains electrically neutral.

In summary, the numerical equality of the number of protons in the nucleus and the number of electrons in an atom is a fundamental aspect of atomic structure, ensuring the electrical neutrality and stability of atoms.