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Which list of formulas represents only compounds? H2, N2, O2 H2, Ne, NaCl CO2, H2O, NH3 MgO, NaCl, O2
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32 votes
32 votes
Which list of formulas represents only compounds? H2, N2, O2 H2, Ne, NaCl CO2, H2O, NH3 MgO, NaCl, O2

User Gab
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2 Answers

21 votes
21 votes
The list that represents only compounds are CO2, H2O, and NH3
User Sona
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18 votes
18 votes
A compound has to have at least two different elements in
(1) is the only list in which each of the three symbols representations show at least two different elements
User Pradeep M
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2.7k points
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