A substance that only contains one kind of atom is called an element.
It is known as an element. An element is a substance that is made up of only one type of atom, characterized by a unique atomic number on the periodic table.
An element is a substance that contains only one kind of atom. Examples include hydrogen, oxygen, and carbon. Each element is defined by the number of protons in its atomic nucleus.
A substance that is made up of only one atom is called a pure substance. A pure substance is also called an element on the Periodic Table.
Elements are made up of only one kind of atoms. For example graphite and diamond are forms of the element carbon, and only contain carbon atoms.Atoms of a single element may combine as molecules, or structurally as allotropes, in a number of ways.
A substance made up of only one kind of atom is an element, which is a pure substance.
A substance that only contains one kind of atom is called an element.
An element is a substance made of only one kind of atom. Each element has a unique atomic number, which represents the number of protons in its nucleus. Examples of elements include oxygen, gold, and carbon.
element
A substance made up of only one kind of atom is an element.
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atom
Element
hydrogen
This is an isotope of a chemical element.
Element
element