Definition of Atom

the smallest portion of an element that contains the chemical traits of the element

Examples of Atom in a sentence

Water consists of two hydrogen atoms and one oxygen atom.  🔊

Because each element has a distinct type of atom, each element is unique.  🔊

Did you know an atom is the tiniest part of an element that still maintains the chemical attributes of the element in its natural state?  🔊

In a nuclear plant, scientists can create a great deal of power by harnessing energy from a tiny uranium atom.  🔊

While an atom is too small to be viewed by the human eye, it can be seen using a scanning tunneling microscope.  🔊

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