1.

An atomic nucleus A is composed of 84 protons and 128 neutrons. (i)The nucleus A emits an alpha particle and is transformed into nucleus B. What is the composition of nucleus B? (ii) The nucleus B emits a beta particle and is transformed into a nucleus C. What is the composition of nucleus C? (iii) Does the composition of nucleus C change if it emits gamma radiations? [5 MARKS]

Answer» An atomic nucleus A is composed of 84 protons and 128 neutrons.
(i)The nucleus A emits an alpha particle and is transformed into nucleus B. What is the composition of nucleus B?
(ii) The nucleus B emits a beta particle and is transformed into a nucleus C. What is the composition of nucleus C?
(iii) Does the composition of nucleus C change if it emits gamma radiations?
[5 MARKS]


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