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1. • • Chemists refer to elements either as the final term of chemical analysis (i.e., simple substances) or as what persists in a chemical change. This duality has deep historical roots and it is sanctioned by IUPAC’s definition of chemical element.
     academic.oup.com/book/36758/chapter/321864780

     The Dual Conception of the Chemical ElementEpistemic Aspects ...

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   What does element mean in chemistry?

   • In chemistry, an element is defined as a pure substance composed of atoms that all have the same number of protons in the atomic nucleus. In other words, all atoms of an element have the same atomic number. The atoms of an element (sometimes called “chemical element”) cannot be broken into smaller particles by any chemical means.

   What Is an Element in Chemistry? Definition and Examples

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   What is the difference between an element and a molecule?

   • An element consists of only one type of atom. A molecule is composed of two or more atoms joined together by chemical bonds. Some molecules are examples of elements, such as H 2, N 2, and O 3. A compound is a type of molecule consisting of two or more different atoms joined by chemical bonds.

   What Is an Element in Chemistry? Definition and Examples

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   What is an example of a pure element?

   • For example: diamond and graphite are both pure elemental carbon. Any of the 118 elements on the periodic table is an example of any element. Because elements are defined by the number of protons, any isotopes, ions, or molecules consisting of one type of atom are also examples of elements.

   What Is an Element in Chemistry? Definition and Examples

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   What is an example of an element?

   • For example: protium, deuterium, and tritium are all isotopes of the element hydrogen. Elements can take different forms called allotropes, but this doesn’t change their chemical identity. For example: diamond and graphite are both pure elemental carbon. Any of the 118 elements on the periodic table is an example of any element.

   What Is an Element in Chemistry? Definition and Examples

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   How do you refer to an element in chemistry?

   • There are three ways to refer to individual elements. Each element has a name, an element symbol, and an atomic number. The International Union of Pure and Applied Chemistry (IUPAC) approves standard names and symbols, but within an individual country, other element names might be used.

   What Is an Element in Chemistry? Definition and Examples

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3. academic.oup.com › book › 36758The Many Questions Raised by the Dual Concept of “Element ...

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   The article begins by asking whether contemporary chemists accept the dual meaning of the term “element” that has been discussed at various stages in the development of chemistry. It proceeds to review the key ideas in the contemporary philosophical debate, including the views of Mendeleev and Paneth and whether a microscopic interpretation ...

4. www.researchgate.net › publication › 229608258_The(PDF) The Dual Sense of the Term "Element," Attempts to ...

   www.researchgate.net › publication › 229608258_The

   Jul 1, 2009 · This article concerns various foundational aspects of the periodic system of the elements. These issues include the dual nature of the concept of an “element” to include element as a “basic ...

5. onlinelibrary.wiley.com › doi › 10The dual sense of the term “element,” attempts to derive the ...

   onlinelibrary.wiley.com › doi › 10

   Oct 6, 2008 · This article concerns various foundational aspects of the periodic system of the elements. These issues include the dual nature of the concept of an “element” to include element as a “basic substance” and as a “simple substance.”

   • Author: Eric R. Scerri

   • Publish Year: 2009

6. academic.oup.com › book › 36758The Dual Conception of the Chemical ElementEpistemic Aspects ...

   academic.oup.com › book › 36758

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   Jul 23, 2020 · This quote highlights two relevant aspects of the notion of element: (1) the relation between the chemical element and chemical changes; and (2) the fact that Mendeleev, while compiling the periodic table, clearly had in mind the ambiguity of the term “element.”

7. www.semanticscholar.org › paper › The-Many-QuestionsThe Many Questions Raised by the Dual Concept of “Element”

   www.semanticscholar.org › paper › The-Many-Questions

   The article begins by asking whether contemporary chemists accept the dual meaning of the term “element” that has been discussed at various stages in the development of chemistry.

8. ouci.dntb.gov.ua › en › worksThe dual sense of the term “element,” attempts to derive the ...

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   These issues include the dual nature of the concept of an “element” to include element as a “basic substance” and as a “simple substance.” We will discuss the question of whether there is an optimal form of the periodic table, including whether the left‐step table fulfils this role.

9. 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 name refers to a single atom or ion of that element, its isotopes, or to a molecule consisting only of that element. For example, oxygen may refer to a single oxygen atom, oxygen gas (O 2 or O 3), or the isotope oxygen-18. Each element also has a unique one- or two- letter symbol.