Question

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?

Answer 1

hey mate

here is yr ans

metalloids show the characteristics of both Metal and non metal. they mostly act as semiconducting elements

in one valence shell Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18

metalloids are located on the right of the posttrensition

they form amphoteric oxide and acidic oxide

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Answer 2

Hope this helps

The number of electrons present in the valence shell is 3 for 13 group elements, 4 for 14 group elements and so on..