Elaine825 Elaine825

02-06-2015
Chemistry

contestada

Which list of formulas represents compounds, only?
(1) CO2, H2O, NH3 (3) H2, Ne, NaCl
(2) H2, N2, O2 (4) MgO, NaCl, O2

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IwAsSoMeGuY IwAsSoMeGuY

02-06-2015

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

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