Chemistry
What do you understand by:
(a) Metalloids
(b) Noble gases
Give two examples of each.
Elements, Compounds & Mixtures
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Answer
(a) Metalloids are those elements that show some properties of metals and some properties of non-metals. They are hard solids. Examples — Boron(B), Silicon(Si).
(b) Noble gases or inert gases are those elements that do not react chemically with other elements or compounds and they are found in air in traces. Examples — Helium(He), Neon(Ne).
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