Li2O
Lithium is a metal with an oxidation number of 1+ and oxygen is a nonmetal with an oxidation number of 2-. Which chemical formula represents the compound formed by these two elements? Li2O is the correct answer because lithium has one valence electron and oxygen has six.
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False, there are always pros and cons to research
High frequency for the range of radio frequency electronmagnetic waves between 3 and 30 megahertz (MHz)
