13 questions
What is a beta particle made of?
One proton
A helium particle
One electron
One proton and one neutron
Of the main types of radiation emitted from naturally radioactive isotopes, which is the hardest to block?
Alpha deca
Gamma Decay
Beta decay
They are all blocked using the same method
Neutrons ......
has positive electric charge with equal magnitude to that of an electron.
has no net electric charge.
has negative electric charge.
orbiting the nucleus.
What is the number of neutrons in Cesium?
55 neutrons
76 neutrons
84 neutrons
106 neutrons
139 neutrons
If there are 146 neutrons in 238U, how many neutrons
are found in the nucleus of 235U?
141
143
145
147