Question

Complete the following information about the isotopes in the chart given below:

Substance	Mass Number	Number of
		Protons	Neutrons	Electrons
Carbon-14
Lead-208
Chlorine-35
Uranium-238
Oxygen-18
Radium-223

Answer 1

Substance	Mass Number	Number of
		Protons	Neutrons	Electrons
Carbon-14	14	6	8	6
Lead-208	208	82	126	82
Chlorine-35	35	17	18	17
Uranium-238	238	92	146	92
Oxygen-18	18	8	10	8
Radium-223	223	88	135	88