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

    Oct 17, 2020 · At present, there are 118 known elements. If atoms of an element carry an electrical charge, they are called ions. Atoms of an element with different numbers of neutrons are called …

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

    Nov 29, 2025 · 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. 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 …

  4. 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...

  5. What is an Element? - ChemTalk

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

  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. 3.2: The Elements and The Periodic Table - Chemistry LibreTexts

    Define a chemical element and give examples of the abundance of different elements. Represent a chemical element with a chemical symbol. State the periodic law and explain the organization of …

  8. The Ultimate Beginners Guide to the Periodic Table of Elements

    Feb 6, 2025 · It organizes elements based on their atomic number (the number of protons in an atom’s nucleus, which is in the centre of the atom) and shows us how different elements interact and …

  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. 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.