explain the physical properties of metals with suitable examples
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Answer:
Most metals have many physical properties in common. For example, they are shiny silvery-grey solids with high melting points and boiling points, high density, good conductors of heat and electricity, malleable (easily bent or beaten into any shape) and ductile (strong enough to be drawn into wire).
Explanation:
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Answer:
Most metals have many physical properties in common. For example, they are shiny silvery-grey solids with high melting points and boiling points, high density, good conductors of heat and electricity, malleable (easily bent or beaten into any shape) and ductile (strong enough to be drawn into wire).
Elements: Gold; Iron; Magnesium; Sodium; Silver...
Explanation:
Properties:
Metals appear lustrous (beneath any patina); form mixtures (alloys) when combined with other metals; tend to lose or share electrons when they react with other substances; and each forms at least one predominantly basic oxide.
Most metals are silvery looking, high density, relatively soft and easily deformed solids with good electrical and thermal conductivity, closely packed structures, low ionisation energies and electronegativities, and are found naturally in combined states.
Some metals appear coloured (Cu, Cs, Au), have low densities (e.g. Be, Al) or very high melting points (e.g. W, Nb), are liquids at or near room temperature (e.g. Hg, Ga), are brittle (e.g. Os, Bi), not easily machined (e.g. Ti, Re), or are noble (hard to oxidise, e.g. Au, Pt) or have nonmetallic structures (Mn and Ga are structurally analogous to, respectively, white P and I).
Metals comprise the large majority of the elements, and can be subdivided into several different categories. From left to right in the periodic table, these categories include the highly reactive alkali metals; the less reactive alkaline earth metals, lanthanides and radioactive actinides; the archetypal transition metals, and the physically and chemically weak post-transition metals. Specialized subcategories such as the refractory metals and the noble metals also exist.