For example, in the compound Na2SO4, the charge of Sulfur (S) is unknown - it's not in its elemental form, so it's not 0, but that's all we know.
Generally, Hydrogen has an oxidation number of +1 (unless, as above, it's in its elemental form, H 2 ).
Roger Deakins mastered lighting with it, and Monet so knew its elemental nature that he hardly used it in his paintings, on principle.
It rarely occurs in its elemental state in nature, or as pure ore compounds.
It's a riveting piece, shocking in its elemental violence, and the Paris dancers give it everything they have.
It is most recognizable in its elemental (metallic) state (Hg) as a silvery liquid at room temperature.
Its Elemental draws from architect Rem Koolhaas' 2014 Venice Architectural Biennale work, The Elements of Architecture, where the architect laid out the fundamental building blocks of, well, building.
It combines with most elements to form hydrides (e.g., sodium hydride, NaH), and it reduces metallic oxides, a reaction that produces the metal in its elemental state.
After periodic pauses, the country inevitably returns to its elemental nature.
The background is tempestuous water, and the painting's strength is in its elemental quality.
Always, their eyes widened as their minds and hearts were caught by its elemental power.
