Question

consider the following statement about an element 'X' with no. of proton 13 : a it forms amphoteric acid , it's valency is three , the formula of it's chloride is XCl3 the correct statement onlyA , only B ,A and C,A,B and C​

Answer 1

Answer:

Option d , all( A, B , C) is correct

it's atomic no. is 13

so no of proton =13

it form amphoteric oxide : al2o3

and form chloride: x cl3

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