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1. www.khanacademy.org › science › ap-chemistry-betaThe periodic table, electron shells, and orbitals - Khan Academy

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   All atoms are made up of energy levels (called shells) that hold 1 or more subshells. Each subshell holds a certain type of orbit. Each individual subshell has slightly varying energies from its "shell" energy level, depending on the distance from the nucleus.

2. chem.libretexts.org › Courses › South_Puget_Sound3.7: Electrons and Valence Shells - Chemistry LibreTexts

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   Jul 20, 2023 · The electrons of the outermost energy level determine the energetic stability of the atom and its tendency to form chemical bonds with other atoms to form molecules. Under standard conditions, atoms fill the inner shells first, often resulting in a variable number of electrons in the outermost shell.

3. chem.libretexts.org › Bookshelves › General_Chemistry3.4: Electronic Structure of Atoms (Electron Configurations)

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   Aug 14, 2020 · In any atom with two or more electrons, the repulsion between the electrons makes energies of subshells with different values of \(l\) differ so that the energy of the orbitals increases within a shell in the order s < p < d < f.

4. chem.libretexts.org › Courses › Howard_UniversityChapter 2.5: Atomic Orbitals and Their Energies - Chemistry ...

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   As a result of the Z 2 dependence of energy in Equation 2.24, electrons in the 1s orbital of carbon, which has a nuclear charge of +6, lie roughly 36 times lower in energy than those in the hydrogen 1s orbital, and the 1s orbital of tin, with an atomic number of 50 is roughly 2500 times lower still.

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5. openstax.org › books › chemistry-2e6.4 Electronic Structure of Atoms (Electron Configurations)

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   In any atom with two or more electrons, the repulsion between the electrons makes energies of subshells with different values of l differ so that the energy of the orbitals increases within a shell in the order s < p < d < f.

6. openoregon.pressbooks.pub › gschemistry › chapter8.4 Electronic Structure of Atoms – Introduction to Chemistry

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   Electronic Structure of Atoms. The arrangement of electrons in the orbitals of an atom is called the electron configuration of the atom. We describe an electron configuration with a symbol that contains three pieces of information ( Figure 1 ): The number of the principal quantum shell, n,

7. People also ask

   How many electrons can a shell hold?

   • The shell closest to the nucleus, 1n, can hold two electrons, while the next shell, 2n, can hold eight, and the third shell, 3n, can hold up to eighteen. The number of electrons in the outermost shell of a particular atom determines its reactivity, or tendency to form chemical bonds with other atoms.

   The periodic table, electron shells, and orbitals - Khan Academy

   www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:atomic-structure-and-electron-configuration/a/the-periodic-table-electron-shells-and-orbitals-article

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   Which electron shell has a different energy level?

   • Each electron shell has a different energy level, with those shells closest to the nucleus being lower in energy than those farther from the nucleus. By convention, each shell is assigned a number and the symbol n—for example, the electron shell closest to the nucleus is called 1n.

   The periodic table, electron shells, and orbitals - Khan Academy

   www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:atomic-structure-and-electron-configuration/a/the-periodic-table-electron-shells-and-orbitals-article

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   Why does carbon have a valence shell?

   • Carbon typically shares electrons to achieve a complete valence shell, forming bonds with multiple other atoms. Thus, the columns of the periodic table reflect the number of electrons found in each element’s valence shell, which in turn determines how the element will react.

   The periodic table, electron shells, and orbitals - Khan Academy

   www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:atomic-structure-and-electron-configuration/a/the-periodic-table-electron-shells-and-orbitals-article

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   Which electron occupy the outermost shell orbital?

   • The electrons occupying the outermost shell orbital (s) (highest value of n) are called outer electrons, and those occupying the inner shell orbitals are called core electrons or inner electrons ( Figure 4 ). Valence electrons are outer electrons plus any electrons found in partially filled d or f orbitals.

   8.4 Electronic Structure of Atoms – Introduction to Chemistry

   openoregon.pressbooks.pub/gschemistry/chapter/6-4-electronic-structure-of-atoms-electron-configurations/

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8. socratic.org › valence-electronsValence Electrons - Chemistry | Socratic

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   The valence electrons are the electrons in the outermost electron shell of an atom. That is why elements whose atoms have the same number of valence electrons are grouped together in the Periodic Table. Generally, elements in Groups 1, 2, and 13 to 17 tend to react to form a closed shell, corresponding to the electron configuration s2p6.