Media Contributed by Rick

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RickStudent, Philosopher, Writer, Developer
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François Lecoq de Boisbaudran — discoverer of gallium, samarium, and dysprosium
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=3808077
François Lecoq de Boisbaudran discoverer of gallium, samarium, and dysprosium
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Samarium —
Photo Credit:
Samarium
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Lanthanum —
Photo Credit:
Lanthanum
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Erbium —
Photo Credit:
Erbium
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Terbium —
Photo Credit:
Terbium
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Potassium —
Photo Credit:
Potassium
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Chromium —
Photo Credit:
Chromium
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Nicolas Louis Vauquelin —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=19208861
Nicolas Louis Vauquelin
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Beryllium —
Photo Credit:
Beryllium
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Calcium —
Photo Credit:
Calcium
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Barium —
Photo Credit:
Barium
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