Question

Число электронов в электронной оболочке атома определяется?

Answer 1

По номеру элемента, собственно, как и число протонов.

Answer 2

Determining the Number of Electrons in an Atom's Electron Shell

The number of electrons in an atom's electron shell is determined by several factors.

1. Atomic Number: - The number of electrons in an atom's electron shell is determined by its atomic number, which represents the number of protons in the nucleus of the atom.

2. Electron Configuration: - The electron configuration of an atom, which describes the distribution of electrons in its orbitals, also determines the number of electrons in the electron shell. - The electron configuration follows a specific pattern based on the energy levels and sublevels of the orbitals, such as s, p, d, and f orbitals.

3. Periodic Table: - The position of the atom in the periodic table provides information about the number of electron shells and the distribution of electrons in each shell. - For example, the first shell can hold up to 2 electrons, the second shell can hold up to 8 electrons, and so on.

In summary, the number of electrons in an atom's electron shell is primarily determined by its atomic number and the rules governing electron configuration based on the periodic table.

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