Test 5 - CHM 152 review

What do these symbols represent?

• alpha particle
• beta particle
• neutron
• gamma ray

How many neutrons are in this isotope of Uranium?

• 235
• 92
• 327
• 143

What type of nuclear equation is this?

• fusion
• fission
• alpha
• beta

What happens to the atomic number during alpha decay?

• The atomic number decreases by 4
• The atomic number increases by 1
• The atomic number decreases by 2.
• The atomic number stays the same.

What would two different isotopes of an atom have in common?

• Number of neutrons 
• Number of protons
• Atomic weight 
• Atomic mass

What happens when the number of protons in an atom changes? 

• The number of electrons changes too 
• Usually nothing happens, unless the atom is radioactive 
• The atomic nucleus explodes
• It becomes a completely different atom, with different properties 

In what part of an atom can protons be found? 

• Inside the electrons
• Inside the neutrons 
• Inside the atomic nucleus 
•  Inside the electron shells

What element is the ?

• Ag-115
• Cd-115
• Pd-115
• Not Listed

Which type of nuclear radiation is being emitted here?

• alpha
• beta
• gamma
• none

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none