CHM406 : NUCLEAR AND RADIOCHEMISTRY (2014)

NATIONAL OPEN UNIVERSITY OF NIGERIA

14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS

SCHOOL OF SCIENCE AND TECHNOLOGY

MARCH/APRIL 2014 EXAMINATION

COURSE CODE: CHM406

COURSE TITLE: NUCLEAR AND RADIOCHEMISTRY

TIME ALLOWED: 2 ½ HOURS

INSTRUCTION: ANSWER ANY FOUR (4) QUESTIONS. EACH QUESTION CARRIES 171/2MARKS.

QUESTION 1

A (i) what is radioactivity? (2 mark)

ii) Briefly discuss the types of radioactivity (4 marks)

B Differentiate between ordinary chemical reactions and nuclear reactions (4 marks)

C Define these terms in radioactivity

(i) Nuclear Stability (2 mark)

(ii) Electron capture (2 mark)

(iii) Gamma ray emission (2 mark

d. _______________ + 27 Al

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