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Lanthanum (La).
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- المؤلفون: McCormick, Erin K.
- المصدر:
Salem Press Encyclopedia of Science, 2021. 3p.
- الموضوع:
- معلومة اضافية
- نبذة مختصرة :
Lanthanum is a soft, ductile, silvery-white rare earth element. It is the first element of the lanthanide series. Lanthanum is also considered to be the first element of the sixth-period transition metals. This element is usually found in combination with cerium and other rare earth elements. It oxidizes almost instantly when it is exposed to air. Lanthanum compounds have numerous applications.
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