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1989 WAEC Chemistry Theory (a) The half-life of 56/25 Mn is 9.3 x 10\(^3\)S. What does the statement mean?...

Chemistry
WAEC 1989

(a) The half-life of 56/25 Mn is 9.3 x 10\(^3\)S. What does the statement mean?

(b) Give the three types of radiation that are usually emitted by radioactive substances.

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Explanation

(a) The time taken for half amount of \(^{56}Mn\) to decompose is the half life which is 9.3 x 10\(^{3}\)s

(b) They are the Alpha, the Beta and Gamma particles.


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