【单选题】The energy of the ground state of hydrogen is ( )
【判断题】27(判断题)1997年重庆成为我国第四个直辖市。( )
【单选题】The ground state of carbon is ( )
【单选题】关于单代号网络图,下列叙述正确的是()。
【单选题】The ground state of Helium is 1 S 0 due to ( )?
B.
Pauli exclusion principle
C.
Quantization condition
【单选题】The ratio of the speed of the electron in the ground state of hydrogen atom to the speed of light is ( )
【单选题】下列关于项目网络图的叙述中,正确的是( )。
A.
按其表示关系的方式不同,可分为单代号网络图和双代号网络图
C.
双代号网络图利用节点,将箭线连接起来表示逻辑关系
E.
单代号网络图用表示逻辑关系的节点将箭线连接起来
【单选题】The 4d subshell in the ground state of atomic xenon contains __________ electrons.
【判断题】In the ground state of organic molecules, electrons are generally paired, and the total spin number is zero