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Delve into the world of waves, electromagnetic radiation, and electron orbitals to understand the properties and behaviors at the atomic level. Explore energy levels, quantum numbers, and the periodic table with interactive visuals.
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When a Strontium salt is dissolved in methanol (with a little water) and ignited, it gives a brillant red flame
Electromagnetic radiation exhibits wave properties and particulate properties
A change between two discrete energy levels emits a photon of light
Electronic transitions in the Bohr model for the Hydrogen atom
(a)The probability distribution for the Hydrogen 1s orbital in 3-D space(b)The probability of finding the electron at varying distances from the nucleus
(a) Cross section of the Hydrogen 1s orbital probability distribution (b) The Radial Probability Distribution
Two representations of the Hydrogen 1s, 2s, and 3s orbitals: (a) The Electron probability distribution (b) The surface that contains 90% of the total electron probability (the size of the orbital, by definition)
Representation of the 2p Orbitals: (a) An electron probability distribution (b) Boundary surfaces of all three 2p orbitals
Cross section of the electron probability distribution for a 3p orbital
Comparison of the radial probability distributions of the 2s and 2p orbitals
Representation of the 3d Orbitals (a) Electron Density Plots of Selected 3d Orbitals (b) The Boundary Surfaces of All of the 3d Orbitals
Representation of the 4f orbitals in terms of their boundary surfaces
The angular momentum quantum number (l) and the s, p, d, f notation
Energy levels of orbitals for the first 3 principal quantum levels
Electron configurations in the last occupied orbital for elements 1-18
The orbitals being filled for elements in various parts of the periodic table
Trends in Ionization Energies (kj/mol) for the Representative Elements
Electron affinity values for selected atoms that form stable ions
The Radius of an atom (r) is defined as half the distance between nuclei in a diatomic molecule of identical atoms