関連ワード:
elements in group 3 are called elements in group 3 12 are called elements in group 3 13 are called elements in group 3 through 12 are called elements in group 3 12 are known as elements of period 3 are called elements present in group 3 to 12 are called as group 3 elements are called periodic table the elements in the period 6 group 3 are called why are elements in group 3 to 12 called transition metals
