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USA Physics and Chemistry Contests
National Chemistry Olympiad
2010 National Chemistry Olympiad
2
2
Part of
2010 National Chemistry Olympiad
Problems
(1)
2010 USNCO Local #2: Flame Test
Source:
11/21/2012
A flame test was performed to confirm the identity of a metal ion in solution. The result was a green flame. Which of the following metal ions is indicated?
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A
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copper
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B
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sodium
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C
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strontium
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D
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zinc
{ <span class='latex-bold'>(A)</span>\ \text{copper} \qquad<span class='latex-bold'>(B)</span>\ \text{sodium} \qquad<span class='latex-bold'>(C)</span>\ \text{strontium} \qquad<span class='latex-bold'>(D)</span>\ \text{zinc} }
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<
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copper
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B
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sodium
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C
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strontium
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D
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zinc