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- 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 different from each other. Everything in the universe contains the atoms of at least one or more element.
www.bbc.co.uk/bitesize/articles/zqr4tv4What are elements in science? KS3 guide for chemistry ... - BBC
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Oct 17, 2020 · 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 .
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...
An element is a pure substance that cannot be broken down into any other substances. An element is made from just one type of. atom. , and examples include oxygen, hydrogen...
Jun 7, 2024 · Key Takeaways: Chemical Element Definition. A chemical element is a substance that cannot be further broken down by any chemical reaction. Each element has a unique number of protons in its atom. For example, a hydrogen atom has 1 proton, while a carbon atom has 6 protons.
- Anne Marie Helmenstine, Ph.D.
2 days ago · In GCSE chemistry, an element is a substance made up from one type of atom. They cannot be broken down into anything simpler. Each element is represented by its own unique chemical symbol, which can be seen on the Periodic Table. All atoms of the same element will contain the same number of protons. For example, carbon atoms all have 6 protons.
5 days ago · The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson.
Dec 5, 2019 · A chemical element is a substance consisting of only one type of atom. In other words, all atoms in an element contain the same number of protons. The identity of a chemical element cannot be changed by any chemical reaction.
