T1 CH3 Matter Around Us — Science STD 7 — Question
Tamilnadu BoardEnglish MediumSTD 7ScienceT1 CH3 Matter Around Us2 Marks
Question
Define the following term with an example. Metalloid
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Answer
Metalloid: Metalloid is a chemical element that exhibits some properties of metals and some of non-metals. Metalloids are generally semi-conductors. Ex.: Silicon. Arsenic, Antimony and Boron.
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