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By rjc101
#1860580
Damn, I just worked them out and Flash has beaten me to it... made white text to avoid spoilers, highlight the text below for the answers.

1 Sb (Antimony)
2 Ba (Barium)
3 Fe (iron)
4 Mn (Manganese)
5 O (Oxygen)
6 W (Tungsten)

7 Si (Silicon)
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