B
bluesky_99


Viet cau hinh electron cua nguyen tu va ion co phan muc nang luong cao nhat cua nguyen tu la: 3d5,5s2,4s1,4d10,6p3. Cac ban giup minh nhe,minh viet khong co dau,xin loi nhe, hoi kho nhin.[giai thich ho minh tai sao lai the nha]



