3rd and 5th: Nuclear Chem FINAL REVIEW

In order of most to least penetrating radiation we have

• Alpha , Beta,  Gamma
• Beta , Gamma , Alpha
• Gamma, Beta, Alpha
• Gamma, Alpha, Beta

Gamma rays have a _____ charge

• 0
• +1
• -1
• +2

Beta particles have a _____ charge

• +1
• 0
• -1
• +2

Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.

• Fusion
• Fission
• Tracing
• Decay

When one large nucleus is split into two smaller nuclei, the process is nuclear _____.

• Fusion
• Fission
• Tracing
• Decay

Which produces more energy--nuclear fission or nuclear fusion?

• Fusion
• Fission
• They produce the same amount
• It depends on the elements used

Alpha particles have a _____ charge.

• +2
• 0
• +1
• -1

Lithium has a mass number of 7.  How many neutrons are in lithium? [HINT: Think MAN or Mass Number minus Atomic Number(aka protons) plus Neutrons]

• 3
• 7
• 4
• 6

Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

Which type of radiation is most penetrating?

• Gamma
• They are equal
• Beta
• Alpha