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  2. Solder alloys - Wikipedia

    en.wikipedia.org/wiki/Solder_alloys

    Similar mechanical properties with Sn 63 Pb 37, Sn 62 Pb 36 Ag 2 and Sn 60 Pb 40, suitable lead-free replacement. Contains eutectic Sn-In phase with melting point at 118 °C, avoid use above 100 °C. Sn 86.9 In 10 Ag 3.1: 204: 205 [48] Yes: Potential use in flip-chip assembly, no issues with tin-indium eutectic phase. In 97 Ag 3: 143 [49] Yes: Yes

  3. Tin - Wikipedia

    en.wikipedia.org/wiki/Tin

    126 Sn trace: 2.3 × 10 5 y: β −: 126 Sb Category: Tin. references: Tin is a chemical element; it has symbol Sn (from Latin stannum) and atomic number 50. A ...

  4. Isotopes of tin - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_tin

    Tin (50 Sn) is the element with the greatest number of stable isotopes (ten; three of them are potentially radioactive but have not been observed to decay). This is probably related to the fact that 50 is a "magic number" of protons.

  5. Lists of metalloids - Wikipedia

    en.wikipedia.org/wiki/Lists_of_metalloids

    Recognition status, as metalloids, of some elements in the p-block of the periodic table. Percentages are median appearance frequencies in the lists of metalloids. [n 2] The staircase-shaped line is a typical example of the arbitrary metal–nonmetal dividing line found on some periodic tables.

  6. SB Nation - Wikipedia

    en.wikipedia.org/wiki/SB_Nation

    SB Nation (an abbreviation for their full name SportsBlogs Nation) is a sports blogging network owned by Vox Media. It was co-founded by Tyler Blezinski, Markos Moulitsas , and Jerome Armstrong in 2003.

  7. Isotopes of antimony - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_antimony

    Antimony (51 Sb) occurs in two stable isotopes, 121 Sb and 123 Sb. There are 37 artificial radioactive isotopes, the longest-lived of which are 125 Sb, with a half-life of 2.75856 years; 124 Sb, with half-life 60.2 days; and 126 Sb, with half-life 12.35 days.

  8. List of medical abbreviations: S - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    SN: student nurse skilled nursing SNB: sentinel node biopsy (ductal carcinoma) SNF: skilled nursing facility: SNHL: sensorineural hearing loss: SNP: sodium nitroprusside single nucleotide polymorphism: SNRI: serotonin–norepinephrine reuptake inhibitor: SNV: sin nombre virus (the most common type of hantavirus) single nucleotide variant: SO ...

  9. Periodic table (crystal structure) - Wikipedia

    en.wikipedia.org/wiki/Periodic_table_(crystal...

    Sn 505 K β-Sn: 51 Sb 903 K α-As: 52 Te 722 K γ-Se: 53 I 386 K Cl: 54 Xe 161 K Cu: 55 Cs 301 K W: 56 Ba 1000 K W: 71 Lu 1925 K Mg: 72 Hf 2506 K W: 73 Ta 3290 K W ...