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Chemistry, 05.01.2021 16:30 fatimaramosc11ouv4s2

Which nuclear equation represents a spontaneous decay? (1) Rn 21% Po + He

(2) 13 Al + He 18P + on

(3) 235 U + in ~ 13% Ba + Kr + 3n

(4) Li + H → He + He

a. 1

b. 2

C 3

d. 4

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