Define element. Name some elements that exist as solids at room temperature.
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Hydrogen, Oxygen, Nitrogen, Helium
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In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by any means.
The two elements that are solid at room temperature are: Iron that has a chemical symbol Fe, which stands for ferrous. ... Mercury that has a chemical symbol Hg. Bromine that has a chemical symbol Br.
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