The World of Metals and Non-metals — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceThe World of Metals and Non-metals3 Marks
Question
Explain the physical properties of metals with examples.
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Answer
The physical properties of metals are: 1.Malleability – Metals can be hammered into thin sheets. Example: Gold can be made into thin foil. 2.Ductility – Metals can be drawn into wires. Example: Copper can be made into wires. 3.Luster – Metals have a shiny surface. Example: Silver and aluminum are shiny. 4.Conductivity – Metals conduct heat and electricity. Example: Copper conducts electricity. 5.Sonority – Metals produce a ringing sound when struck. Example: Iron and brass are sonorous.
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