Lanthanum
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5107-7434-4
High Quality Content by WIKIPEDIA articles! Lanthanum ( /?l?n??n?m/) is a chemical element with the symbol La and atomic number 57. Lanthanum is a silvery white metallic element that belongs to group 3 of the periodic table and is the first element of the
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