(1)Cu、Zn在周期表中
(2)Zn的某种化合物M是很好的补锌剂,结构式如图:
②常见含氮的配体有



(3)卤化锌的熔点如表:
卤化锌/![]() | ![]() | ![]() | ![]() |
熔点/℃ | 872 | 283 | 394 |

(4)MnSe具有NaCl型结构,其立方晶胞结构如图1所示。
②图2所示单元不是MnSe的晶胞单元,原因为



同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

