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Neodymium compounds are compounds formed by the lanthanide metal neodymium (Nd). In these compounds, neodymium generally exhibits the +3 oxidation state, such as NdCl 3, Nd 2 (SO 4) 3 and Nd(CH 3 COO) 3. Compounds with neodymium in the +2 oxidation state are also known, such as NdCl 2 and NdI 2. Some neodymium compounds have colors that vary ...
146 Nd has been suggested for the production of 147 Pm, which is a source of radioactive power. Several neodymium isotopes have been used for the production of other promethium isotopes. The decay from 147 Sm (t 1/2 = 1.06 × 10 11 y) to the stable 143 Nd allows for samarium–neodymium dating. [27] 150 Nd has also been used to study double ...
Samarium has seven naturally occurring isotopes, and neodymium has seven. The two elements are joined in a parent–daughter relationship by the alpha decay of parent 147 Sm to radiogenic daughter 143 Nd with a half-life of 1.066(5) × 10 11 years and by the alpha decay of 146 Sm (an almost-extinct radionuclide with a half-life of 9.20(26) × 10 7 years [2] [a]) to produce 142 Nd.
The piano sonata D 157 has three known movements. Some commentators describe the first movement of the sonata as by far the most interesting, as it shows Schubert breaking away from the restrictions on harmonic progressions his teacher Antonio Salieri had imposed for vocal music, [3] and as one of his happiest inspirations, prefiguring his later trade marks, while the remaining two movements ...