2024-01-12
石姓萨满文化的全部内容都进入旅游场合之中。
A.正确
B.错误
错误
The ground state of carbon is（）
类别: 题库 | 2024-01-13
The 3s state of Na has an energy of -5.14 eV.Its effective nuclear charge is（）
A system of electrons is described by a wave function should be（）
The electron configuration of Neon is（）
A.5
How many electrons can be contained in M shell（）
What atoms have the configuration 1s22s22p63s2（）
Who discovered the X ray（）.
If we have a tungsten anode（work function ；f=4.63 eV） and electron ；acceleration voltage of 35 kV， what is the minimum wavelength of the x rays？（）
The continuum spectrum of X ray comes from（）
2024-01-13
