BAB 8-KERADIOAKTIFAN

Flashcard
•
Science
•
5th Grade
•
Hard
ROSMAWATI STUDENT
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7 questions
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1.
FLASHCARD QUESTION
Front
Siapakah yang menemukan sinar-X yang boleh menembusi tisu manusia?
Back
Wilhelm Conrad Rontgen
2.
FLASHCARD QUESTION
Front
Semua berikut merupakan bahan radioaktif KECUALI: Polonium, Helium, Radium, Uranium.
Back
Helium
3.
FLASHCARD QUESTION
Front
Bahan radioaktif bermaksud....
Back
unsur yang mempunyai nukleus yang tidak stabil
4.
FLASHCARD QUESTION
Front
Tiga contoh sinaran radioaktif ialah sinar alfa, gama dan beta. Betul atau salah?
Back
Betul
5.
FLASHCARD QUESTION
Front
Keradioaktifan diukur dalam unit Becquerel(Bq) dan Unit Curie(Ci)
Back
benar
6.
FLASHCARD QUESTION
Front
pereputan bahan radioaktif akan berlaku apabila ia bertindak balas dengan oksigen.
Back
palsu
7.
FLASHCARD QUESTION
Front
keradioaktifan adalah proses pemancaran sinar radioaktif secara spontan
Back
benar
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