Answer:
Wavelength of light in (nm) = 579 nm
Explanation:
At first you find out the amount of energy needed to just eject one electron. This is given by 
this energy is given in question in kj/mole. This is the work function of cesium for each electron is equal to the planc'k einstein equation.
It would have 98 neutrons.
Explanation:
The formula for finding neutrons when given the atomic number and the mass is to do (mass - atomic number.) In this case, the mass is 156 and the atomic number is 58. So we subtract 156 - 58, which gives us 98. Therefore, it would have 98 neutrons.
It’s a liquid because it can form any shape to fit container but the amount of liquid always stayed the same unless dropped some.
J.J. Thomson discovered the electron 1897
Answer:
0,2,8,3
Explanation:
k shell takes 2,L shell takes 8 and M shell takes the remaining which is 3
