monoatomic atom definition
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- monatomic. adj. 1. (Chemistry) (of an element) having or consisting of single atoms: argon is a monatomic gas. 2. (Chemistry) (of a compound or molecule) having only one atom or group that can be replaced in a chemical reaction. 3. (Chemistry) a less common word for monovalent. (ˌmɒn əˈtɒm ɪk). adj.
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Atom Definition and Examples Share. Atom Definition: 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 protons and neutrons with electrons orbiting this nucleus. Atom Examples: hydrogen, carbon-14, zinc, cesium, Cl - (a substance can be an atom and an isotope or ion at the same time). By Anne Marie Helmenstine, Ph.D.
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Background Extensor tendon injuries are often more difficult to treat than flexor tendon injuries owing to several issues specific to extensor tendons. The extensor mechanisms of the hand are in a superficial position, not enclosed in tendon sheaths (as are flexor tendons), and often have limited retraction after injury.
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Monoatomic or Monatomic Elements Monatomic or monoatomic elements are elements that are stable as single atoms. Mon-or Mono-means one. In order for an element to be stable by itself, it needs to have a stable octet of valence electrons. The noble gases exist as monatomic elements: 1  helium. 2  neon. 3  argon. 4  krypton. 5  xenon.
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- Atomic mass. The atomic mass (ma) is the mass of an atom. Its unit is the unified atomic mass units (symbol: u, or Da) where 1 unified atomic mass unit is defined as 1⁄12 of the mass of a single carbon-12 atom, at rest.
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Definition of Diatomic Diatomic molecules are molecules made of two atoms chemically bonded together. The atoms can be of the same element (homonuclear molecules), or of different elements (heteronuclear molecules). Familiar examples of diatomic molecules of elements are the five gaseous state diatomic elements: Cl 2, F 2 H 2, N 2 ,and O 2.onding in Diatomic Molecules. In homonuclear diatomic molecules, the bonding is covalent. Each atom in the molecule has equal electronegativity; electrons are shared equally between the two atoms. In heteronuclear diatomic molecules, the atoms differ in electronegativity; these molecules have polar covalent bonds.
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- BEST ANSWER Certified by MeritNation Expert. A polyatomic ion, also known as a molecular ion, is a charged species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit in the context of acid and base chemistry or in the formation of salts.EST ANSWER Certified by MeritNation Expert. A polyatomic ion, also known as a molecular ion, is a charged species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit in the context of acid and base chemistry or in the formation of salts.
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- mononuclear. adj. 1. (Physiology) (of a cell) having only one nucleus.
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Hydrogen atom A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force.Atomic hydrogen constitutes about 75% of the elemental (baryonic) mass of the universe.he Rydberg constant RM for a hydrogen atom (one electron), R is given by: where M is the mass of the atomic nucleus. For hydrogen-1, the quantity is about 1/1836 (i.e. the electron-to-proton mass ratio). For deuterium and tritium, the ratios are about 1/3670 and 1/5497 respectively.
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atom (āt'əm) The smallest unit of an element, consisting of at least one proton and (for all elements except hydrogen) one or more neutrons in a dense central nucleus, surrounded by one or more shells of electrons. In electrically neutral atoms, the number of protons equals the number of electrons.
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What does polyatomic ion mean? A polyatomic ion is a compound that forms another substance with a different charge. They contain more than one element and you recognize them from more than 2 capital letters. OH is a polyatomic ion because it forms hydroxide its a seperate substance than oxygen hydride. and many polyatomic ions contain 2 nonmetals. Define Polyatomic Ion.
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- Examples of monoatomoc molecules are atoms of He, Ne, Ar, Kr, Xe. The diatomic molecule is a molecule that is composed of TWO atoms (either the same or different) and is able to exist nonbonded to other neighboring species.Examples: H2, N2, NO, HCl.arbon Monoxide (CO) is also an example of a diatomic molecule. 18 people found this useful. 1  Mineral Sources of Phosphates in Fertilizer Nitrogen, potassium, and phosphorus are the three most important minerals for growing strong and productive plants.
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General Chemistry/Naming Substances Note that in a polyatomic ion, the ion itself is held together by covalent bonds. Monoatomic cations (positive) are named the same way as their element, and they come first when naming a compound. Monoatomic anions (negative) have the suffix -ide and come at the end of the compound's name.
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Monocyte Description of Monocyte. Monocyte: large, phagocytic mononuclear leukocytes produced in the vertebrate bone marrow and released into the blood and tissues where they develop into macrophages; contain a large, oval or somewhat indented nucleus surrounded by voluminous cytoplasm and numerous organelles. Source: CRISP.
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Monoprotic Acid Definition Monoprotic Acid Definition: A monoprotic acid is an acid that donates only one proton or hydrogen atom per molecule to an aqueous solution.
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- An elementary particle that orbits the nucleus of an atom. There is one electron for every proton in the nucleus, which keeps the atom electrically neutral, as electrons are considered to have a negative charge and protons a positive charge.
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What is Atomic Mass? - Definition & Examples Atomic mass is roughly equal to the sum of the individual particle masses of an atom. Atoms have three basic components: protons (positively charged particles), neutrons (non-charged particles), and electrons (negatively charged particles).
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Diatomic molecule Diatomic molecules are molecules composed of only two atoms, of either the same or different chemical elements. The prefix di- is of Greek origin, meaning two. If a diatomic molecule consists of two atoms of the same element, such as hydrogen (H2) or oxygen (O2), then it is said to be homonuclear.
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Definition of Diatomic Diatomic molecules are molecules made of two atoms chemically bonded together. The atoms can be of the same element (homonuclear molecules), or of different elements (heteronuclear molecules). Familiar examples of diatomic molecules of elements are the five gaseous state diatomic elements: Cl 2, F 2 H 2, N 2 ,and O 2.n homonuclear diatomic molecules, the bonding is covalent. Each atom in the molecule has equal electronegativity; electrons are shared equally between the two atoms. In heteronuclear diatomic molecules, the atoms differ in electronegativity; these molecules have polar covalent bonds. The molecule forms a dipole.
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What is monoatomic and diatomic and what is difference between monoatomic and diatomic? Rating Newest Oldest. Best Answer: The answer above states Cl is monoatomic, this is not strictly true, because Cl does not exist on its own, it is Cl2, which is also diatomic. Monoatomic is a molecule which contains only one atom. An example of this would be any of the noble gases, such as Helium, Neon etc. Diatomic is a molecule which contains two atoms. Examples here could be O2, N2, Cl2, H2. Diatomics do not have to both be the same element, some other diatomics are HCl, HBr, KCl, NaCl. etc. There are also triatomics which contain 3 atoms, such as H2O, CO2, N2O.
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Molecule If the two atoms are identical, as in, for example, the oxygen molecule (O 2), they compose a homonuclear diatomic molecule, while if the atoms are different, as in the carbon monoxide molecule (CO), they make up a heteronuclear diatomic molecule. Molecules containing more than two atoms are termed polyatomic molecules, e.g., carbon dioxide (CO 2) and water (H 2 O). Polymer molecules may contain many thousands of component atoms. A water molecule is made up of two hydrogen atoms and one oxygen atom.
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atom Definition of atom. 1  1a : the smallest particle of an element that can exist either alone or in combination an atom of hydrogenb : 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.
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atom 1. the smallest component of an element having the chemical properties of the element, consisting of a positively charged nucleus of neutrons and protons that exerts an electrical attraction on one or more electrons in motion around it.
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- An ion is an atom with an electric charge (positive or negative). A polyatomic ion is a group of atoms with an electric charge. (Even though it is a group of atoms it acts like it were a single atom.). The names of nearly all polyatomic ions end with the letters ate or ite.
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Atom 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. Most of the atom is empty space.
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atom Definition of atom for English Language Learners. : 1  the smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule. : 2  a very small amount of something.