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Which tool allows scientist to see atoms on the surface of a metal?
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∙ 13y ago
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What is it that atoms of materials that conduct electricity best tend to be held together by?
Atoms of materials that conduct electricity best tend to be held together by metallic bonds. This is the attraction between positively charged nuclei in metal atoms and the delocalized electrons in the metal.
Does metal conduct heat readily?
Metal does indeed conduct heat readily. Metal also conducts electricity. The conductive properties of metal are due to the free electrons in metal atoms that allow for mobile charge.
How does lubricating machinery-such as the chain on your bike reduce friction?
The surface tension between the metal on your chain pieces is high. The surface tension is low on lubricants like oil or graphite so putting them between moving surfaces provides a opposing surface for both materials that has a low friction.
How are particles arranged in a solid metal?
like this ::::::::::::: ::::::::::::: ::::::::::::: though a little closer. It depends on the metal, but atoms in a pure solid are tightly-packed into a crystalline structure. The shape of the crystal is dependent upon the atom.
What element turns white when its container was opened?
This element is sodium - a layer of sodium oxide is formed on the surface of the metal.
What made the metal shiny again?
Metallic bonding is quite strong and gives rise to the metal cations(atoms) to be packed in a regularly shaped pattern. The closely packed rows or atoms organised in rows allows light to reflect on its surface. Thus, it is shiny
The shiny surface of metals have most to do with?
The looseness of electrons in metal atoms.
What is a discoloration of metal by exposure to air?
Oxidation is the usual cause of discoloration when an iron is exposed to air. The atoms on the surface of the metal react with Oxygen in air to produce a metal oxide.
What allows valence electrons to move throughout the metal?
Atoms being so close to one-another that their outermost energy overlap
What kind of scientist studies metal?
a type of scientist who studies about metal is called metallururgist
How do you tell if a bond is covalent?
if it occurs between non metal atoms. Covalent bonds can only occur between non metal atoms but Ionic bonds occur between metal and non metal atoms.
Does ferrite conduct electricity?
Ferrites are materials that are ceramic and contain iron oxide. They are not considered to be conductive and are brittle.
Are small atoms more likely to be metal or non metal?
metal
Does a metal chair conducts electricity?
Yes, all metals conduct electricity due to the metallic bonding which is where all the atoms are connected in a lattice like shape but every atom has one electron 'free'. These electrons are free to move around and as such conduct electricity.
When metal corrodes the metal atoms lose what?
electrons
The bond that allows metal atoms to share electrons with one another?
Metal atoms do NOT chemically bond with one other, they don't share electrons. This is also true in alloys, being a cristalline mixture of one ore more metallic elements (and some others). For more detail ask metallurgists.
what usually happens when a metal reacts with a nonmetal?
electrons are transferred from the metal atoms to the non-metal atoms forming ions resulting in an ionic compound
