
Radioaktif
Authored by wawan sunarwan
Chemistry
12th Grade
25 Questions
Used 57+ times

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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan peluruhan atom uranium yang disertai pemancaran partikel alfa yang benar adalah ....
A
B
C
D
E
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi berikut yang merupakan reaksi peluruhan yang disertai penangkapan elektron adalah ....
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Isotop 9F21 mengalami peluruhan dengan memancarkan partikel ....
A
B
C
D
E
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui radioisotop mempunyai massa 24 mg. Setelah beberapa hari, massanya berkurang menjadi 3 mg. Apabila waktu paruh radioisotop tersebut 25 hari, lama radioisotop tersebut meluruh adalah ....
A
B
C
D
E
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Isotop 90Th232 → 88Ra226 pada deret tersebut memancarkan .... 😀
A. 2He4
B. 0n1
C. 0e1
D, -1e0
E. 0γ0
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui persamaan reaksi transmutasi 7N14 + Y → 1H1+ 8O17. Maka Y adalah sinar ....
alfa
beta
positron
gamma
elektron
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pada reaksi inti 87Fr223 → 88Ra223 + X ? Maka X adalah partikel ....
neutron
proton
positron
elektron
megatron
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