Metals and non metals :
1) Properties of metals and non-metals.....
2) Reactivity series.....
3) Formation and properties of ionic compounds.....
4) Basic metallurgical
processes.....
5) Corrosion and its prevention.....
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Answers
Answer:
Metals are materials holding or possessing the characteristics of being shiny, hard, fusible, malleable, ductile, etc. Few examples of metals (materials) are – Gold, Silver, Aluminium, Copper, Iron, etc.
Answer:
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Explanation:
High ionization energies.
High electronegativities.
Poor thermal conductors.
Poor electrical conductors.
Brittle solids—not malleable or ductile.
Little or no metallic luster.
Gain electrons easily.
Dull, not metallic-shiny, although they may be colorful.
Good electrical conductors and heat conductors.
Malleable - can be beaten into thin sheets.
Ductile - can be stretched into wire.
Possess metallic luster.
Opaque as thin sheet.
Solid at room temperature (except Hg).
In chemistry, a reactivity series is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.
Properties of Ionic Compounds
Ionic Compounds have high boiling and melting points as they're very strong and require a lot of energy to break. The electrostatic forces of attraction between oppositely charged ions lead to the formation of ions. ... These compounds are brittle and break into small pieces easily.
Metallurgical engineering is based on the principles of science and engineering, and may be divided into process metallurgy, which is concerned with extracting metals from their ores to make refined alloys, and physical metallurgy, which involves the shaping, alloying, heat treatment, joining, corrosion protection and
Corrosion is a galvanic process that can be prevented using cathodic protection. The deterioration of metals through oxidation is a galvanic process called corrosion. ... Alternatively, a more easily oxidized metal can be applied to a metal surface, thus providing cathodic protection of the surface.