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Strontium is a chemical element; it has symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly chemically reactive. The metal forms a dark oxide layer when it is exposed to air.
Actinium is a soft, silvery-white, [17] [18] radioactive, metallic element. Its estimated shear modulus is similar to that of lead. [19] Owing to its strong radioactivity, actinium glows in the dark with a pale blue light, which originates from the surrounding air ionized by the emitted energetic particles. [20]
Aluminium also forms complex metallic alloys, ... 4–7.5% aluminium); used in heating elements, including e-cigarettes; Kovar ... Magnetically "soft" alloys Mu-metal
Thulium is a chemical element; it has symbol Tm and atomic number 69. It is the thirteenth element in the lanthanide series of metals. It is the second-least abundant lanthanide in the Earth's crust, after radioactively unstable promethium. It is an easily workable metal with a bright silvery-gray luster. It is fairly soft and slowly tarnishes ...
Metallic elements are primarily found as lithophiles (rock-loving) or chalcophiles (ore-loving). Lithophile elements are mainly the s-block elements, the more reactive of the d-block elements, and the f-block elements. They have a strong affinity for oxygen and mostly exist as relatively low-density silicate minerals.
Yttrium is a soft, silver-metallic, lustrous and highly crystalline transition metal in group 3. As expected by periodic trends , it is less electronegative than its predecessor in the group, scandium , and less electronegative than the next member of period 5 , zirconium .
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Metallic elements (7 C, 4 P) F. Fictional characters with metal abilities (40 P) Fictional metals (12 P) H. Metals (heraldry) (4 P) I. Metal industry (9 C, 9 P) Iron ...