Question

What is ductility?
Write three properties of metallodis? Defin amper?
What is the SI unit of luminous intensity? Name six common non - metals and write thire symbols?

Answer 1

Answer:

Ductility is the ability of a material to be drawn or plastically deformed without fracture .It is therefore of how soft or malleable the material is . The ductility of steel varies depending upon the type and level of alloying elements present

Three Properties of metalloids are

i Metalloids usually look like metal but behave largely like non metal

ii. They are less conductive than metal

iii.They are more brittle then metal

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