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1. All radio active decay is:
Zero Order First Order Zero and First Order First and Second Order None of these

2. The process of combining two light nuclei to form a heavier, more stable nucleus is known as (blank).
Fission Fusion Annihilation Photonation None of these

3. The half-life of a certain radioactive element is 67.0 hours. How much would be left after 335.0 h if the original sample was 1.000 mg?
0.031 mg 0.310 mg 0.062 mg 0.016 mg None of these

4. When 237/93 Np produces an alpha particle, what is the other product?
243/95 Americium 245/95 Americium 237/91 Protactinium 233/91 Protactinium None of these

5. Fill in the blank: 1/0 n + 235/92 U --> 92/36 Kr + (blank) + 3 (1/0 n)
147/56 Ba 144/56 Ba 141/56 Ba 0/1 e None of these

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