What is electronegativity? Arrange the members of each of the following sets of elements in order of
(1)B,Ga,Al,In (2)S,Na,Mg,Cl
(3)P,N,Sb,Bi (4)S,Ba,F,Si
(1)B,Ga,Al,In (2)S,Na,Mg,Cl
(3)P,N,Sb,Bi (4)S,Ba,F,Si
(2)Write the allowed number of orbitals (a) with the quantum numbers n=4,l=3;(b) with the quantum numbers n=4;(c) with the quantum numbers n=7,l=6,m=6;(d) with the quantum numbers n=6,l=5.
(1)AgF在水中溶解度较大,而AgCl难溶于水;
(2)Cu+的卤化物CuX的r+/r->0.414,但它们都是ZnS型结构;
(3)Pb2+,Hg2+,I-均为无色离子,但PbI2呈金黄色,HgI2呈朱红色。
(1)Li+,Na+,K+,Rb+
(2)Na+,Mg2+,Al3+,Si4+
(3)Ca2+,Fe2+,Zn2+
(4)Fe2+,Fe3+
已知NH3,H2S,BeH2,CH4的偶极矩分别为4.90×10-30C·m,3.67×10-30C·m,0C·m,0C·m,试说明下列问题:
(1)分子极性的大小 (2)中心原子的杂化轨道类型 (3)分子的几何构型
Cl2:-34.1℃ O2:-183.0℃ N2:-198.0℃ H2:-252.8℃ I2:181.2℃Br2:58.8℃
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!