Question

An element 'A' belongs to 13th

group of the modern periodic table.Write the gormula of its oxide .​.
​

Answer 1

Answer:

the formula of oxide of element A of group 13 is A2O3

Answer 2

Dear Student,

◆ Answer -

A2O3

● Explanation -

Given that element 'A' belongs to 13th group of the modern periodic table. So last shell of these atoms will have ns2 np1 electronic configuration. As it have 3 electrons in last orbit, its common valency will be +3. So it will form oxide of the formula A2O3.

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