PERIODIC CLASSIFICATION OF ELEMENTS:-
Q. what are metalloids ? How many electrons can be present in the valence shell of their atoms? In what part of the periodic table are these located? What type of oxide are formed by these elements?
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Metalloids show the properties of both acid and bases. They located in p block.metalloids are boron silicon germanium arsenic antimony tellurium polonium. Their oxides are amphoteric in nature
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