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en.wikipedia.org/wiki/Atomic_orbital

In quantum mechanics, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom. This function can be used to calculate the probability of finding any electron ... Each such orbital can be occupied by a maximum of two electrons, each with its own ...

socratic.org/chemistry/the-electron-configuration-of-atoms/arrangement-of-electrons-in-orbitals-spd-and-f

The orbital names s, p, d, and f describe electron configuration. ... A 2s orbital is similar to a 1s orbital, but it has sphere of electron density inside the outer sphere , like ... The 3dz² looks like a p orbital wearing a doughnut around its waist. ... What is the maximum number of p orbitals that can be present in an energy level ?

archives.library.illinois.edu/erec/University%20Archives/1505050/Rogers/Text5/Tx53/tx53.html

Each principal energy level can contain up to 2n2 electrons, where n is the number ... (Like many models, this explanation is an oversimplification, but for the ... A set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. ... The three p orbitals are more or less dumbbell-shaped, with the nucleus at the ...

www.chem4kids.com/files/atom_orbital.html

... second shell. Electrons can spin around the nucleus of an atom in any direction ... A shell is sometimes called an energy level. 3. Shells are ... Orbitals of an atom with letter designations ... Not all shells and suborbitals hold the same number of electrons. For the ... Written out the long way, it looks like 1s2 2s2 2p6 3s2 3p2.

www.khanacademy.org/science/biology/chemistry--of-life/electron-shells-and-orbitals/v/orbitals

Relates energy shell to rows and periods in the periodic table. ... To use an analogy, could you say the electrons are sort of like people, where the ... But each room (each geometric configuration ofa subshell) can only hold 2. ..... The shells are the energy levels, the sub-shells are groups of the same types of orbitals within a ...

www.brooklyn.cuny.edu/bc/ahp/LAD/C3a/C3a_electrons.html

All s are spherical. ... All p orbitals are shaped somewhat like a dumbbell, with the thin, pinched region of zero probability lying right over the center. No matter what its shape, an orbital can only hold a maximum of two electrons at any time. ... These zones are known as energy levels (or sometimes called electron shells).

www.ck12.org/book/CK-12-Physical-Science-Concepts-For-Middle-School/section/2.43

Oct 31, 2012 ... For example, energy level I can hold a maximum of two electrons, and ... in the Figure below, some orbitals are shaped like spheres (S orbitals) ...

www.chemicool.com/definition/sublevel.html

A sublevel is an energy level defined by quantum theory. ... spherical shells centered on the atomic nucleus, such as the two electron shells ... Shell 1 can hold up to 2 electrons,; Shell 2 can hold up to 8 electrons,; Shell 3 can ... The energy level diagram below shows sublevels to as high as the energy level of the 5f orbitals.

www.middleschoolchemistry.com/lessonplans/chapter4/lesson3

They can think of electrons as being in the different energy levels like concentric spheres around the nucleus. Since it is very difficult to show these spheres, the energy levels are typically ... Have students look at the Periodic table of the elements 1–20 they used in ... There can be a maximum of two electrons in each orbital.