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This sample is safe
the key historical symbol of the American Navy
It is a very lustrous bluish-grey transition metal that is considered a “technology-critical element”
the first plane to successfully fly across the United States
This decreased the number of neutron ejections during synthesis
Lanthanum Element Cube Personal Museum This sample is safeLanthanum's atomic number is 57 and its symbol is La. Lanthanum is a soft silvery white rare earth metal that tarnishes in the atmosphere. It gets its name from an ancient Greek word meaning to lie hidden because it often occurs among other rare earth elements. Despite its early evasion from discovery, lanthanum is the 28th most abundant element in the earth's crust. It is mostly found in a variety of minerals such as monazite and bastnsite. Perhaps
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