[填空题]
Deuterium is an isotope of hydrogen that contains one proton, one neutron, and one electron.
1. 1.Complete the following table.
Protons
Neutrons
Electrons
Relative charge
Relative mass
~$\frac{1}{1836}$
Location
2.Using the following data, calculate the relative atomic mass of hydrogen correct to five decimal places, showing your work.
Isotope
Relative abundance
Hydrogen-1
99.98%
Deuterium
0.012%
Hydrogen-3
0.008%
2. 1.Describe the emission spectrum of the hydrogen atom.
2.Outline the difference between a continuous spectrum and a line spectrum.
3.Suggest how your answer to (b)(i) shows that energy levels are quantized.