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- Dictionaryatom/ˈatəm/
noun
- 1. the smallest particle of a chemical element that can exist.
- 2. a level of amateur sport, typically involving children aged between nine and eleven: Canadian "eight atom hockey teams"
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Atoms Definition & Molecule Definition - Atoms are the smallest particle of an element, which may or may not have an independent existence but always take part in a chemical reaction. Molecules always exist independently and retain their physical and chemical properties.
Atoms are the basic particles of the chemical elements. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other by the number of protons that are in their atoms.
May 20, 2024 · Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry.
Nov 19, 2023 · An atom is the basic building block of matter, consisting of protons, neutrons, and electrons. An atom is the smallest unit of matter that forms a chemical element and cannot be divided using any chemical means. Every solid, liquid, gas, and plasma consists of neutral or ionized atoms.
What is an atom? – an atom is the smallest possible amount associated with a chemical element. For example, an atom of gold can be called as the smallest quantity of gold you can feasibly have. The word ‘small’ literally points out to nanoscopically tiny! An atom is thousands of times smaller than a human hair.
atom, Smallest unit into which matter can be divided and still retain the characteristic properties of an element. The word derives from the Greek atomos (“indivisible”), and the atom was believed to be indivisible until the early 20th century, when electrons and the nucleus were discovered.
noun. the smallest quantity of an element that can take part in a chemical reaction. this entity as a source of nuclear energy See also atomic structure. the power of the atom. any entity regarded as the indivisible building block of a theory.
1. a. : the smallest particle of an element that can exist either alone or in combination. an atom of hydrogen. b. : the atom considered as a source of vast potential constructive or destructive energy. … a largely forgotten legacy of this country's conquest of the atom. William J. Broad.
Jan 24, 2024 · An atom is the smallest possible amount of a chemical element—so an atom of gold is the smallest amount of gold you can possibly have.
Sep 21, 2019 · An atom is the defining structure of an element, which cannot be broken by any chemical means. A typical atom consists of a nucleus of positively-charged protons and electrically neutral neutrons with negatively-charged electrons orbiting this nucleus.
