Its period 5 from 5s25p6, with Xenon(54) as the noble gas. 2+6 = 8 electrons
54+8 = 62, or Sm.
The answer is an igneous rock.
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Answer:
i think its C im not so sure
Explanation:
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Explanation:
Used to separate one reactant or product from another
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hydrogen is not balanced
the right balanced equation is
Fe2O3 + 3 H2 -> 2Fe + 3H2O