Energy levels of scandium, Sc i through Sc xxi by Jack Sugar

Cover of: Energy levels of scandium, Sc i through Sc xxi | Jack Sugar

Published by American Chemical Society and the American Institute of Physics for the National Bureau of Standards in New York, Washington, D.C .

Written in English

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Subjects:

  • Scandium.

Edition Notes

Book details

StatementJack Sugar and Charles Corliss.
SeriesReprint no. 160 from Journal of physical and chemical reference data, Journal of physical and chemical reference data. Reprint -- 160.
ContributionsCorliss, Charles H.
The Physical Object
Paginationp. 473-511 ;
Number of Pages511
ID Numbers
Open LibraryOL20314223M

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Energy levels of scandium, Sc i through Sc xxi (Reprint no. from Journal of physical and chemical reference data) [Jack Sugar] on *FREE* shipping on qualifying offers. Energy levels of Scandium, Sc I through Sc XXI Jack Sugar and Charles Corliss ".

National Measurement Laboratory, National Bureau of Standards, Washington, D.C. The energy levels of the scandium atom in all of its stages of ionization, as derived from the analyses of atomic spectra, have been critically compiled.

The energy levels of the scandium atom in all of its stages of ionization, as derived from the analyses of atomic spectra, have been critically compiled. In cases where only line classifications are reported in the literature, level values have been derived. Electron configurations, term designations, J‐values, experimental g‐values, and ionization energies are by: Energy levels of scandium, Sc i through Sc xxi.

[Jack Sugar; Charles H Corliss] Home. WorldCat Home About WorldCat Help. Search. Search for Library Items Search for Lists Sc i through Sc xxi book for Contacts Search for a Library. Create lists, bibliographies and reviews:. Accession Number: ADD Title: Energy Levels of Scandium, Sc I through Sc XXI, Corporate Author: NATIONAL STANDARD REFERENCE DATA SYSTEM Personal Author(s): Sugar, Jack ; Corliss, Charles Report Date: Jan Pagination or Media Count: 44 Abstract: The energy levels of the scandium atom in all of its stags of ionization, as derived from the analyses of atomic spectra.

Wavelengths and their classifications are compiled for the spectra of scandium, Sc i through Sc ions of data are based on the critical evaluations in the compilation of energy levels by Sugar and Corliss.

8 These are updated by a thorough search Energy levels of scandium the subsequent literature. All classifications are verified with predictions made by differencing the energy levels. Buy Energy levels of scandium, Sc i through Sc xxi (Reprint no. from Journal of physical and chemical reference data) by Jack Sugar (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : Jack Sugar. Aims: Our goal is to provide extensive energy levels and radiative transitions data for nineteen ionization stages of scandium relevant to stellar interiors, namely from Sc iii to Sc xxi.

Methods. Name: Scandium Symbol: Sc Atomic Number: 21 Atomic Mass: amu Melting Point: °C ( K, °F) Boiling Point: °C ( K, °F) Number of Protons/Electrons: 21 Number of Neutrons: 24 Classification: Transition Metal Crystal Structure: Hexagonal Density @ K: g/cm 3 Color: silvery Atomic Structure.

Since Sc is scattered in the Earth's crust and deposits with high Sc grade are not formed in natural processes, the production of Sc has relied on resources with Sc content around mg/kg Sc. Wavelengths and their classifications are compiled for the spectra of scandium, Sc i through Scxxi. Selections of data are based on the critical evaluations in the compilation of energy levels by Sugar and Corliss.

8 These are updated by a thorough search of the subsequent literature. All classifications are verified with predictions made by differencing the energy levels. Energy levels of scandium, Sc i through Sc xxi. Charles Corliss; The energy levels of the scandium atom in all of its stages of ionization, as derived from the analyses of atomic spectra, have.

Download Citation | Comment on "Energy levels, oscillator strengths, and transition probabilities for sulfur-like scandium, Sc~VI" by El-Maaref et al.\, [Indian J. Phys. {\bf 91} ()] | In. Energy level of RE ions. RE metals are a group of 17 chemically similar elements, which include scandium (Sc), yttrium (Y), and the lanthanides (Ln) in the periodic table.

The lanthanides, comprising 15 elements from lanthanum (La) to lutetium (Lu), are a special set of RE metals associated with the filling of the 4f-shell. Number of Energy Levels: 4: First Energy Level: 2: Second Energy Level: 8: Third Energy Level: 9: Fourth Energy Level: 2.

Scandium is very much a late starter compared to many of the other elements, due to its relatively low occurrence and the Energy levels of scandium in obtaining it from its ores. For example, it wasn't until the s when the first pound, or grams, of high purity scandium was obtained.

Compounds of scandium find use in organic chemistry. @article{osti_, title = {Wavelengths and energy level classifications of scandium spectra for all stages of ionization}, author = {Kaufman, V and Sugar, J}, abstractNote = {Wavelengths and their classifications are compiled for the spectra of scandium, Sc I through ScXXI.

Selections of data are based on the critical evaluations in the compilation of energy levels by Sugar and Corliss. Scandium is a potent alloying element in Al alloys and its effect on Al alloys has been succinctly summarized by Spierings et al. as follows []. The Al–Sc solid solution can decompose upon cooling, forming fine, dispersed, fully coherent intermetallic Al 3 Sc precipitates of the cubic LI 2 crystal structure, acting as an age hardener and leading to high strength, with a strength.

levels of Sc in such minerals as pyrochlore (a complex niobate) and baddeleyite ZrO2. The crustal abundance of Sc is quoted as 22 mg kg-1 by Taylor () and 25 mg kg-1 by Fyfe ().

Excluding olivine-rich rocks, such as dunite and peridotite, Sc levels in igneous rocks are usually inversely proportional to the SiO2 content. Thus, gabbro and. Journal Article: Spectrum and energy levels of doubly ionized scandium (Sc III) Spectrum and energy levels of doubly ionized scandium (Sc III) Full Record; Other Related Research; Authors: Van Deurzen, C.H.H.; Conway, J.G.; Davis, S.P.

Publication Date: Thu Feb 01 EST Scandium in the environment. Scandium can rarely be found in nature, as it occurs in very small amounts. Scandium is usually found only in two different kinds of ores. Thortveitite is the primary source of scandium with uranium mill tailings by-products also being an important source.

World production amount to only 50 kg per year. The ionization energy of Sc III is revised to ± cm-1, based on the ng series, and series formulas are presented which were used to predict some of the newly found levels to within. Remember that, in reality, for Sc through to Zn the 3d orbitals have the lower energy - not the 4s.

So why isn't scandium [Ar] 3d 3 rather than [Ar] 3d 1 4s 2. Making Sc 3+ Imagine you are building a scandium atom from boxes of protons, neutrons and electrons. Open Library is an open, editable library catalog, building towards a web page for every book ever published.

Read, borrow, and discover more than 3M books for free. Energy Level Diagram Scandium (Sc) 5s 4p ↑ ↑↓ 3d 4s Electronic Configuration: 1s22s22p63s23p64s23d1 Energy Level Population: 2,8,9,2 Chemistry – Energy Level Diagrams.

Title: Energy Level Diagram Author: HERH Created Date: 2/10/ PM. Energy levels of scandium, Sc i through Sc xxi Journal of Physical and Chemical Reference Data 9, (); https:// Wavelengths and their classifications are compiled for the spectra of scandium, Sc I through Sc XXI.

Selections of data are based on the critical evaluations in the. Reference measurements were performed with ZnS, MnS and scandium (Sc). By Sc measurements relevant experimental parameters were determined, e.g., the strength of the applied magnetic field.

The preparation of ZnS and α-MnS samples is described elsewhere [5, 6]. The scandium samples and foils ( mg/cm 2) were prepared at HMI. Well, the ground-state electron configuration of "Sc" is [Ar] 3d^1 4s^2 "Sc" has many excited states, but let's choose an intuitive one one where a valence electron is promoted to a clearly higher energy level.

We'll assume the 4s -> 4p transition. That would give one of the excited states as: [Ar] 3d^1 4s^color(red)(2) -> barul(|stackrel(" ")(" "[Ar] 3d^1 4s^1 4p^color(red)(1)" ")|) (There. Three Yb 3+-doped scandium based materials are elaborated and their optical properties um materials exhibit large energy levels splitting and favorable thermal properties.

The energy level diagrams for Yb:CaSc 2 O 4, Yb:SrSc 2 O 4, and Yb:Sc 2 SiO 5 are determined through optical spectroscopic analysis and semi-empirical crystal-field calculations using the simple.

Scandium (Sc) Energy Levels of Neutral Scandium (Sc I) Configuration Term J Level(cm-1) Ref. 3d4s 2 2 D 3 / 2 SC85 5 / 2 SC85 3d 2 (3 F)4s 4 F 3 / 2 SC85 5 / 2 SC85 7 / 2 SC85 9 / 2 SC85 3d 2 (3 F)4s 2 F 5 / 2 SC85 7 / 2 SC85 3d4s(3 D)4p 4 F° 3 / 2 SC85 5 / 2 SC85 7 / 2 SC85 9 / 2. Note that for three series of elements, scandium (Sc) through copper (Cu), yttrium (Y) through silver (Ag), and lutetium (Lu) through gold (Au), a total of 10 d electrons are successively added to the (n – 1) shell next to the n shell to bring that (n – 1) shell from 8 to 18 electrons.

Scandium is an element with the atomic number 21 and represented with the symbol ‘Sc‘ in the periodic table. Scandium is mined from one of the rare minerals from Scandinavia. The colour it develops when exposed to air is yellowish or pinkish cast.

One of the characteristics of Scandium is it gets tarnished and burned easily if ignited. Scandium is a chemical element with the symbol Sc and atomic number A silvery-white metallic d-block element, it has historically been classified as a rare-earth element, together with yttrium and the was discovered in by spectral analysis of the minerals euxenite and gadolinite from Scandinavia.

Scandium is present in most of the deposits of rare-earth and uranium. There are two Scandium (Sc) stories of note in Australia and both are in New South Wales and both are separated by a mere 90 miles.

The first is Scandium International Mining Corp. (TSX: SCY) (which we have covered before and has had a stellar run this year) and the other is Clean TeQ Holdings Limited (ASX: CLQ |OTCQX: CTEQF) which, despite its.

Here, E BP is the pristine layer total energy, and symbol E SP refers to the Sc-doped phosphorene slab; the phosphorus and scandium dopant chemical potentials are described by the μ P and μ Sc symbols. In addition, the adsorption energy for H 2 S over various BP sensors was determined as follows [, ]: (2) ΔE ads = E op – (E H2S + E BP/SP) where the subscript op denotes the operating.

"Energy levell of Vanadium, V I through V XXIII Jack Sugar and Charles CorUss Center for Radiation Research, National Measurement Laboratory, National Bureau 0/ Standards, Washington, D,C. The energy levels of the vanadium atom in all of its stages of ionization, as derived from the analyses of atomic spectra, have been critically compiled.

Scandium has an atomic no. of Therefore electronic configuration of scandium(Sc) is: 1s2 2s2 2p6 3s2 3p6 3d1 4s2. Here, two electrons are in 4s orbital instead of being in 3d orbital because 4s orbital is having lesser energy than 3d orbital a.

t Energy levels of Chromium, Cr I through Cr XXIV Jack ~~!lIar and Charles Corliss Institllte for Basic Standards, National Bureau of Standards, Washington, D.

The energy lel'eis of the chromium atom in all of ils stages of ionization, as derived from the analyses of atomic spectra. have been compiled. To determine: Electronic configuration of scandium (Sc). The atomic number of scandium (Sc) is The electronic configuration of scandium is, Sc (21) =1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 1.

To determine: Electronic configuration of iron (Fe). The atomic number of iron (Fe) is The electronic configuration of iron is, Fe (26) = 1s 2 2s 2 2p 6.

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Electron binding energies for scandium. All values of electron binding energies are given in eV. The binding energies are quoted relative to the vacuum level for rare gases and H 2, N 2, O 2, F 2, and Cl 2 molecules; relative to the Fermi level for metals; and relative to the top of the valence band for semiconductors.

Label Orbital eV. Transition Metals Occur in Periods 4 – 7 []. As stated before, transition metals are also called the d block because they fill up the d sublevels.

Therefore, the first three periods do not have transition elements because those energy levels do not have d sub-shells. The transition metals have atomic numbers greater than 20 because the first d electron appears in element #21 after the 1s, 2s.Image showing periodicity of valence s-orbital radius for the chemical elements as size-coded balls on a periodic table grid.

References. The R max values for neutral gaseous element valence orbitals are abstracted from reference J.B. Mann, Atomic Structure Calculations e-Fock wave functions and radial expectation values: hydrogen to lawrencium, LA, Los Alamos Scientific.

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