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   What is an element in chemistry?

   • What is an Element? An element is a substance whose atoms all have the same number of protons: another way of saying this is that all of a particular element's atoms have the same atomic number. Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.

   Definition of element - Chemistry Dictionary

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   How are chemical elements identified?

   • Chemical elements are identified by the number of protons in the nuclei of their atoms, known as the element's atomic number. For example, oxygen has an atomic number of 8, meaning that each oxygen atom has 8 protons in its nucleus.

   Chemical element - Wikipedia

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   What is an example of a chemical element?

   • When the term "chemical element" is used, it can refer to a single atom of that atom or to any pure substance consisting only of that type of iron. For example, an iron atom and a bar of iron are both elements of the chemical element. Element are found on the periodic table.

   What Is a Chemical Element? Definition and Examples - ThoughtCo

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   What is a pure element in chemistry?

   • Chemists and nuclear scientists have different definitions of a pure element. In chemistry, a pure element means a substance whose atoms all (or in practice almost all) have the same atomic number, or number of protons. Nuclear scientists, however, define a pure element as one that consists of only one stable isotope.

   Chemical element - Wikipedia

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2. sciencenotes.org › what-is-an-element-in-chemistryWhat Is an Element in Chemistry? Definition and Examples

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   Oct 17, 2020 · An element is a pure substance of atoms with the same number of protons. Learn how to name, symbol, and identify elements, and see the difference between elements, molecules, and compounds.

3. www.thoughtco.com › definition-of-elementWhat Is an Element in Chemistry? - ThoughtCo

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   Learn what a chemical element is and how it is defined by the number of protons in its atom. See examples of elements and substances that are not elements on the periodic table.

4. Videos

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     Elements and atoms | Atoms, compounds, and ions | Chemistry | Khan Academy

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     What are elements in science? KS3 guide for chemistry students - BBC Bitesize

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     Periodic Table Explained: Introduction

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5. en.wikipedia.org › wiki › Chemical_elementChemical element - Wikipedia

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   A chemical element is a chemical substance that cannot be broken down into other substances by chemical reactions. The basic particle that constitutes a chemical element is the atom. Elements are identified by the number of protons in their nucleus, known as the element's atomic number.

   Element	Element	Element	Origin Of Name [56] [57]
   1	H	Hydrogen	Greek roots hydro- + -gen, ' water ...
   2	He	Helium	Greek hḗlios ' sun '
   3	Li	Lithium	Greek líthos ' stone '
   4	Be	Beryllium	Beryl, mineral (ultimately after Belur, ...

   See full list on en.wikipedia.org

6. www.britannica.com › science › chemical-elementChemical element | Definition, Origins, Distribution, & Facts

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   Jun 19, 2024 · A chemical element is a substance that cannot be decomposed into simpler substances by ordinary chemical processes. Learn about the origin, distribution, and properties of the 118 known elements, as well as their historical development and classification.

7. www.chemicool.com › definition › elementDefinition of element - Chemistry Dictionary

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   An element is a substance whose atoms all have the same number of protons. Learn how elements are defined, named, abundant, and combined in this comprehensive article with examples and videos.

8. www.thoughtco.com › what-is-a-chemical-element-604297What Is a Chemical Element? Definition and Examples - ThoughtCo

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   Dec 5, 2019 · A chemical element is a substance consisting of only one type of atom with the same number of protons. Learn how elements are identified, named, synthesized and abundant in nature and the universe.

9. byjus.com › chemistry › element-definitionElement Definition - Origin & Classification with Examples ...

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   What does element mean? An element is a substance whose atoms all have the same number of protons: another way of saying this is that all atoms of a given element have the same number of protons. Elements are the simplest chemical forms and thus can not be broken down through chemical reactions. Q2.