Answer:
One electron is present in 4p energy sublevel.
Explanation:
Gallium element has symbol Ga with atomic number 31.
It is placed in group 13 and fourth period in the modern periodic table.
The electronic configuration of the element, gallium is -
[tex]1s^22s^22p^63s^23p^63d^{10}4s^24p^1[/tex]
As seen, from the configuration,
One electron is present in 4p energy sublevel.
