chemical element

Pure atomic type

A chemical element is a substance that cannot be broken down into simpler substances by ordinary chemical means.

Each element consists of atoms with the same number of protons—hydrogen has one, helium two, carbon six.

The periodic table organizes all known elements by their atomic properties.

Elements combine to form compounds: water is hydrogen and oxygen, salt is sodium and chlorine.

Related

atom · periodic table · transition metal · chlorine · noble gas · hydrogen · substance · radioactive · proton · atomic number · isotopes · Mendeleev · electronegativity · silver · spectroscopy · platinum · Marie Curie · atomic structure

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Opposites
atomic simplicity vs. molecular complexity

chemical elementchemical compound

Bonded atoms forming substance

compound · molecular compound · molecule · organic compound · alloy

fundamental vs. composite matter

chemical elementmixture

Combined but unbonded substances

solution · composite · amalgam · blend · colloid

Family

element, elements, chemistry, elementary, chemical, chemist, elemental, chemicals, chemists

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Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G