Which statement describes a physical property of steel? O A. Steel is formed from an alloy of iron and carbon. O B. Steel has a density of 8050 kg/m3. O C. Steel is oxidized by air to form rust. O D. Steel reacts with sulfuric acid to form hydrogen gas.
the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.
Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.