Question

an element 'B' belongs to the second period and group 13,formula of its oxide is............. ​

Answer 1

Answer:

Explanation:

Since element B belongs to 13 group and second period so element B has 3 valence electrons and 2 shells. Hence the oxide of B will be B2O3.

Answer 2

Answer:

if an element 'B' belongs to the second period and group 13 then it should be boron

formula of its oxide is B2O3