SAINS TINGKATAN 3 BAB 8.2 KERADIOAKTIFAN
Quiz
•
Science
•
9th - 12th Grade
•
Easy
Salwana Izman
Used 12+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di bawah menunjukkan atom bromin bertukar menjadi ion bromida. Apakah X?
Derma elektron
Terima elektron
Pergerakan neutron
Pergerakan nukleon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah keadaan yang dikatakan atom itu dalam keadaan neutral?
Bilangan proton dan nukleon sama
Bilangan proton dan elektron sama
Bilangan neutron dan proton sama
Bilangan elektron dan nukleon sama
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion positif terbentuk apabila sesuatu atom ___________ elektron.
Menderma
Menerima
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion negatif terbentuk apabila sesuatu atom _________ elektron.
Menderma
Menerima
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jadual di bawah menunjukkan zarah - zarah yang terdapat dalam atom dengan casnya. Antara berikut yang manakah zarah P,Q dan R.
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan masa yang diambil oleh uranium-235 untuk mengurangkan bilangannya kepada satu per enam belas daripada nilai asalnya jika separuh hayatnya ialah 700 juta tahun.
5600 juta tahun
56000 juta tahun
2800 juta tahun
28000 juta tahun
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan satu simbol. Antara bahan berikut, yang manakah BUKAN merujuk kepada simbol di atas?
Uranium-235
Karbon-14
Thorium-232
Argon-114
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