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An element.
An element by definition is a substance with a specific atomic structure different from all other elements. One type of element is distinguished from others by its atomic number, the number of protons in the nuclei of its atoms.
A substance that only contains one kind of atom is called an element.
An Element is the substance consisting of only one type of atom
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.
element
hydrogen
atom
Element
This is an isotope of a chemical element.
Element
This is an isotope of a chemical element.