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Delocalised refers to electrons that are not associated with a single atom or a specific bond within a molecule but are spread out over multiple atoms. This phenomenon is commonly observed in structures like benzene, where π electrons are shared among several carbon atoms, contributing to the stability and unique properties of the molecule. Delocalisation can enhance resonance, leading to greater stability and reactivity in chemical compounds.
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Do alkali metals conduct heat and electricity?
Yes, they are metals- good conductivity is a characteristic of metals that have delocalised electron clouds.
What does the phrase delocalized electrons mean?
Delocalisation is when electrons are not associated with one atom but are spread over several atoms. So the electrons are not directly bonded with any atoms but effectively 'float' above and below the molecule in electron clouds.
Is metal an atom a molecule or a compound?
Metal itself is an element consisting of individual atoms and is not considered a molecule or a compound. A metal atom is the basic unit of a metal element and does not combine with other elements to form molecules or compounds in its pure form.
Is aluminum a conductivity?
Yes due to the fact it is a metal and metals have delocalised (free) electrons which allow the electrons to move around the metal conducting heat and electricity easier than non metals
What do delocalised valence electrons moving between nuclei do?
Delocalized valence electrons moving between nuclei become detached from their parent atom. The metal is held together by the strong forces of attraction between the delocalized electrons and positive nuclei.
Is aluminuim a conductor?
Yes ,because it has delocalised electron
What type of bonding involves de-localized electrons?
Metallic bonding involves delocalised electrons, which can transfer heat and electricity across the metal. Also, graphite and benzene contains delocalised electrons.
Why do metal often make good conductors?
They contain delocalised electrons which can move and carry charge.
What are the moving particles that make up electricity?
Free Delocalised Electrons or Ions in Liquids (or in a Molten Substance).
Is sodium polyatomic?
Solid sodium is a metal, there is a lattice of sodium atoms with a "cloud" or sea of electrons delocalised across it.#
Why does carbon not conduct electricity?
To conduct electricity a substance needs charged particles free to move. Metals have metallic bonding, so they have delocalised electrons free to move. Graphite, a covalent network compound, also has delocalised electrons. Ionic compounds conduct when molten or in solution because the ions break free from the crystal lattice and can move. Since carbon dioxide is covalent molecular bonding, it has neither delocalised electrons or ions, and this lack of charged particles free to move means it does not conduct.
What does delocalized mean?
DelocalisedThe term 'delocalised' refers to an electron which is not 'attached' to a particular atom. For example, in metals, some of the outer electrons are delocalised and are free to move around the whole metal solid. This is why metals conduct electricity. Another example of delocalised electrons is in benzene (C6H6), a cyclic molecule composed of a ring of bonded carbons, with one hydrogen attached to each. In benzene, the electrons in the C-C pi-bonds (basically the double bonds) are delocalised the whole molecule. If you look at the location of these pi-bonding electrons, they are found evenly distributed in a ring around the entire molecule. In this case, the delocalisation can be explained by something called 'resonance forms.' Often, molecules with alternating double bonds show delocalised bonding.However, to truly understand the concept of delocalisation, some basic quantum mechanics must be used, and delocalised bonding in molecules is best explained by molecular orbital theory. In reality, all electrons are somewhat delocalised and are never associated with exactly one bond (in molecules with more than 2 atoms). Some are more localised than others (specific electrons stay mostly with specific bonds), while some are more delocalized (electrons are very free to move about many different bonds in the molecule)
Do alkali metals conduct heat and electricity?
Yes, they are metals- good conductivity is a characteristic of metals that have delocalised electron clouds.
What does the phrase delocalized electrons mean?
Delocalisation is when electrons are not associated with one atom but are spread over several atoms. So the electrons are not directly bonded with any atoms but effectively 'float' above and below the molecule in electron clouds.
Why is metal wire is a conductor?
Any metal object, whether it is a wire, a spanner or even a radiator, conducts electricity. This is because of the way metal atoms bond. Positive metal ions are formed when one electron from each of the atoms becomes delocalised, and not specifically associated with any one nucleus. These ions are surrounded by what is described as a sea of delocalised electrons, which attracts the positive ions, thus binding them in a metal object. Metal objects can conduct electricity because charge carriers can be made to move along the structure in a particular direction. In this case the charge carriers are the delocalised electrons.
What kinds of materials can elcetricity can pass through?
If a material is to conduct electricity, it must have charges, and they must be free to move. Metals fit these criteria because they have charged electrons and they are in delocalised orbitals which means that they can move in an electric field. Graphite has a similar delocalised bond. Ionic compounds contain charged ions which are free to move when the compound is melted or dissolved in water.
Is metal an atom a molecule or a compound?
Metal itself is an element consisting of individual atoms and is not considered a molecule or a compound. A metal atom is the basic unit of a metal element and does not combine with other elements to form molecules or compounds in its pure form.
