Chemistry

Elements of the periodic table

Elements of the periodic table


We are searching data for your request:

Forums and discussions:
Manuals and reference books:
Data from registers:
Wait the end of the search in all databases.
Upon completion, a link will appear to access the found materials.

Nd (neodymium)

Tab. 1
Neodymium
Name of the element:Neodymium
Latin name:Neodymium
English name:Neodymium
French name:Néodyme
Symbol:Nd
Atomic number:60
Condition at 25 ° C:solid, metal
Frequency (in ppm):38
Discovered by:from Welsbach (1885)
Electron configuration:[Xe]4f46s2
Oxidation states:+3
Relative atomic mass:144.24
Electronegativity:1.14 (Pauling) 1.07 (Allred)
Atomic radius (in pm):182.1
Ionization energy (in eVatom-1):5.49
Density (in kgm-3):7007
Melting temperature (in K):1294
Boiling temperature (in K):3341
Tab. 2
Isotopes of neodymium
Mass numberAtomic massFrequency /%Nuclear spin
142141.907727.130
143142.909812.18+72
144*143.910123.800
145144.91268.30-72
146145.913117.190
147*146.916900
148147.91695.760
150149.92095.640

* Isotope is not stable and decays


Video: The Periodic Table Song 2018 Update!. SCIENCE SONGS (May 2022).