T4 Bab 2: Jirim dan Struktur Atom

Passage
•
Chemistry
•
11th Grade
•
Medium

Ikmal Hafiz
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Unsur X terdiri daripada dua isotop,
dengan peratus kelimpahan 56% dan 44% masing-
masing. Apakah jisim atom relatif unsur X ?
107.0
107.5
107.9
109.0
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Maklumat berikut menggambarkan atom Q.
Antara atom yang berikut, yang manakah bertindak balas dengan cara yang serupa dengan atom Q ?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Karbon-14 adalah isotop bagi karbon. Apakah kegunaan karbon-14 ?
Menganggar umur fosil dan artifak.
Radioterapi untuk merawat kanser.
Memulihkan degupan jantung pesakit jantung.
Memusnahkan bakteria dalam makanan tanpa mengubah kualiti makanan.
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Apakah yang dimaksudkan dengan isotop ?
Atom-atom unsur yang ............. nombor proton tetapi berbeza nombor nukleon.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nyatakan satu kegunaan isotop karbon-14 dalam kehidupan harian,
Merawat kanser.
Menentukan usia fosil.
Mengesan kebocoran paip
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Apakah yang diwakili oleh nombor 12 ?
Nombor nukleon
Bilangan neutron
Bilangan proton
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tulis susunan elektron bagi atom tersebut.
2.4.1
2.4
2.6
8.
FILL IN THE BLANK QUESTION
5 mins • 2 pts
Mengapa karbon digunakan sebagai piawai bagi menentukan jisim
atom relatif bagi suatu atom ?
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