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  1. What Is an Element in Chemistry? Definition and Examples

    Oct 17, 2020 · 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 …

  2. Chemical element | Definition, Origins, Distribution, & Facts - Britannica

    Jan 9, 2026 · Elements are the fundamental materials of which all matter is composed. Learn more about the origins, distribution, and characteristics of chemical elements in this article.

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

    What is an element? An element is a substance that cannot be broken down into any other substance. Every element is made up of its own type of atom. This is why the chemical elements are all very...

  4. Chemical element - Wikipedia

    A chemical element is a species of atom defined by its number of protons. The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8: each …

  5. What is an Element? - GeeksforGeeks

    Jul 23, 2025 · Elements in chemistry are the building blocks of all the matter in the universe. There are 118 elements known to humans that are arranged in the table called the periodic table.

  6. Definition of element - Chemistry Dictionary

    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. …

  7. What is an Element? - BYJU'S

    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.

  8. What is an Element? - ChemTalk

    What is an element in chemistry? We explore the definition of an element, and discuss their characteristics and properties.

  9. What Is an Element in Chemistry? - ThoughtCo

    Jun 7, 2024 · A chemical element is a substance that cannot be broken down by chemical means. Although elements aren't changed by chemical reactions, new elements may be formed by nuclear …

  10. 2.1: The Elements - Chemistry LibreTexts

    An element is the basic chemical building block of matter; it is the simplest chemical substance. Elements vary from being a small percentage to more than 30% of the atoms around us.