hi ! toi la sinh vien nam dau hoc ve hoa dai cuong co phan khong hieu xin duoc hoi . trong phan lai hoa obitan lam sao ta biet no la lai hoa dang nao?co cong thuc nao de tinh de biet la lai hoa dang nao khong?(trong cac dang phan tu AnBm hay ABm voi A la nguyen tu trung tam) theo toi Nito trong phan tu N2O, N2O3, HNO3,N2O5 deu la lai hoa dang sp2 het co dung khong vay ? XIN CAC THANH VIEN CHUYEN HOA HAY GIUP TOI XIN CAM ON!!!!!!!!! DIA CHI LIEN LAC:nnt309@yahoo.com.vn