The valence orbital configuration of an element with atomic number 23 is

The valence electron configuration of an element with atomic number 23 is

The valence electron configuration of an element with atomic number 23 is

The electronic configuration of an element with atomic number 26 is

The electronic configuration of an element with atomic number 24 is

The valency shell configuration of IVA element is

(i) Element 'Y' with atomic number 3 combines with element 'A' with atomic number 17. What would be the formula of the compound ? (ii) What is the electronic configuration of an element with atomic number 10 ? What will be its valency?