149Sm Isotope

149sm isotope 149sm enriched 149sm abundance 149sm atomic mass 149sm

149Sm Isotope Information and Examples of Enriched 149Sm Applications:

Samarium-149 isotope (Sm-149 isotope, 149Sm isotope)

  • 149Sm isotope is used for polarizing thermal neutron beams;
  • 149Sm isotope is used for research in nuclear physics;

149Sm isotope is available to order from BuyIsotope.com in 149Sm oxide (Sm2O3) chemical form. Please contact us via request a 149Sm quote BuyIsotope.com to order 149Sm isotope, to get 149Sm price and to buy 149Sm isotope.

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149Sm Safety Data Sheet (SDS) in oxide form - Download pdf file
Download 149Sm SDS in oxide form

Properties of 149Sm Isotope:

Properties of 149Sm Isotope:149Sm
Natural Abundance (%)13.82
Atomic Mass (Da)148.9171847
Relative Isotopic Mass148.9171847
Neutron Number (N)87
Atomic Number (Z)62
Mass Number (A)149
Nucleon Number (A)149
Proton Number (Z)62
Half-lifeStable
Spin3.5
Quadrupole Moment0.078
g-factor (g value)-0.1908
Group
Period6
Electron Configuration Blockf
Melting Point (K)1345
Boiling Point (K)2173
Specific Heat0.18
Heat of Formation206.7
Thermal Conductivity13.3
Dipole Polarizability 192
Electron Affinity (kJ/mole)0.162
Electronegativity (Pauling scale)1.17
Atomic Radius (pm)180.4с
Covalent Radius (pm)185
VDW Radius (pm)271
Lattice Constant9
Crystal StructureRHL
Jmol color#8fffc7

149Sm Information

Samarium is a moderately hard silvery metallic element, belongs to the lanthanoids. Totally samarium has 38 isotopes. 7 of them are natural ones, 5 of which are stable. Sm-147 is the natural radioisotope, and it has a half-life of 1.06*10^11 years. Samarium is used for making special alloys needed in the production of nuclear reactors. This element is used as a neutron absorber too. Small quantities of samarium oxide is used in special optical glasses. The largest use of the element is its ferromagnetic alloy which produces permanent magnets that are five times stronger than magnets produced by any other material. Samarium was discovered by Francois Lecoq de Boisbaudran in 1879.

Samarium is used in the electronics and ceramics industries. Samarium is easily magnetized and very difficult to demagnetize. This suggests its important future applications in solid-state and superconductor technologies.

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FAQ about 149Sm Isotope:

What is 149Sm isotope natural abundance?
Answer: 13.820 %

What is atomic mass for 149Sm isotope?
Answer: 148.91718 Da

What is isotopic mass for 149Sm isotope?
Answer: 148.91718

How many neutrons does 149Sm isotope have?
Answer: 87

How many protons does 149Sm isotope have?
Answer: 62

How many electrons does 149Sm isotope have?
Answer: 62

What is atomic number for 149Sm isotope?
Answer: 62

Is 149Sm isotope stable?
Answer: Yes

Is 149Sm isotope radioactive?
Answer: No

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