Find the number of valence electrons in the following atoms using the periodic table:
The number of valence electrons corresponds to the number of electrons in the outermost shell of an atom. To find this, we look at the group number in the periodic table: (a) Boron (B): Boron is in Group 13 of the periodic table. Elements in Group 13 have 3 valence electrons. Therefore, boron has 3 … Read more