luispaez1030
luispaez1030
23-04-2020
Physics
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The first elemen on the periodic table is
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aguadodiana619
aguadodiana619
23-04-2020
Hydrogen is the first element on the periodic table with the atomic number 1.
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belvayoung16
belvayoung16
23-04-2020
The first element on the periodic table is hydrogen
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