(d) sulphur-35. 1.20 Each of the following nuclei undergoes either beta decay or positron emission. Predict...

Question

Question

Answer 1

Answer #1

A) 38 Sr 90

Beta Decay ==> 38 Sr 90 ----> 39 A 90 + Beta

Positron decay ==> 38 Sr 90 ----> 37 B 90 + Positron

This will go Beta decay for Yttrium. Answer

B)

38 Sr 85 will go for positron decay to form Rubidium.

C)

19 K 40 will go for positron decay to form Argon.

19 K 40 can go for Beta decay as well to form Calcium. ( stable )

D)

16 S 30 will go for positron decay to form Phosphorous.

Answer 2

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