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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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5 days ago · The single most important characteristic of an atom is its atomic number (usually denoted by the letter Z ), which is defined as the number of units of positive charge (protons) in the nucleus. For example, if an atom has a Z of 6, it is carbon, while a Z of 92 corresponds to uranium.
An element's atomic number, which is defined as the element's position on the periodic table, is also the number of protons it has in its nucleus.
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.
An atom is defined as the smallest unit that retains the properties of an element. An atom is composed of sub-atomic particles and these cannot be made or destroyed. All atoms of the same element are identical and different elements have different types of atoms.
The meaning of ATOM is the smallest particle of an element that can exist either alone or in combination. How to use atom in a sentence. Did you know?
Dec 15, 2021 · What is an atom? Facts about the building blocks of the universe. References. By Daisy Dobrijevic, Tim Sharp. published 15 December 2021. Atoms are made up of a nucleus, protons and...
noun. Physics. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; the number of protons determines the identity of the element.
