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2 Ιουλ 2018, 5:48 
Sodium, atomic number 11, was first isolated by Humphry Davy in 1807. A chemical component of salt, he named it Na in honor of the saltiest region on earth, North America.
CONSTANTINE✞'s my Dog 26 Αυγ 2017, 9:01 
+quack
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Руина 5 Ιαν 2014, 8:15 
+rep