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(a) What are metalloids? Name two metalloids.
(b) Classify the following elements into metals, nonmetals and metalloids:
Copper, Sulphur, Aluminium, Oxygen, Silicon, Nitrogen, Germanium, Mercury, Chlorine, Sodium.
(a) Metalloids: Metalloids are elements that show the properties of both metals and nonmetals.
Examples: Germanium, silicon
(b) Metals: Metals are the elements which lose electrons to form cations and are electropositive in nature.
Copper, Aluminium, Mercury and sodium are metals.
Nonmetals: Nonmetals are the elements that gain electrons and form negative ions. They are also called electronegative elements.
Sulphur, Oxygen, Nitrogen and Chlorine are nonmetals.
Metalloids: The elements whose properties are intermediate between the properties of metals and nonmetals are called Metalloids.
Silicon and Germanium are metalloids.
Updated on: 10-Oct-2022
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