
F3 SC Bab 8 Keradioaktifan-Atom

Quiz
•
Science
•
11th Grade
•
Medium
Didi Tiger
Used 571+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah membentuk ion positif?
Bilangan proton-10, Bilangan elektron -12
Bilangan proton-15, Bilangan elektron-15
Bilangan proton-23, Bilangan elektron -21
Bilangan proton-19, Bilangan elektron -21
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di atas menunjukkan struktur atom.
Apakah cas bagi elektron?
Positif
Negatif
Neutral/ tiada cas
Neutron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimanakah ion positif (kation) terbentuk?
Apabila atom menerima elektron.
Apabila atom mendermakan elektron.
Apabila atom berkongsi elektron.
Apabila atom mendermakan proton.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sinaran alfa dan gamma masing-masing boleh dihalang oleh sehelai kertas dan sekeping aluminium.
Apakah bahan yang boleh menghalang sinar gama?
Zink
Aluminium
Timah
Plumbum
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nukleon terdiri daripada ..........
Nukleus dan elektron
Neutron dan elektron
Neutron dan proton
Nukleus dan proton
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu atom adalah ............... dari segi cas kerana bilangan proton sama dengan bilangan elektron, cas bersih ialah sifar.
positif
neutral
negatif
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alfa boleh dihentikan oleh ....................
Beberapa mm aluminium
Beberapa cm blok plumbum
Konkrit tebal
Sehelai kertas
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