A metal M forms an oxide having the formula M_2O_3. It belongs to 3rd – InterviewSolution

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1.	A metal M forms an oxide having the formula M_2O_3. It belongs to 3rd period in the Modem Periodic table. Write the atomic number and valency of the metal.
Answer» SOLUTION :Atomic NUMBER = 13 Electronic configuration= (2, 8, 3) VALENCY =3

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