SAINS T4 BAB 8 EXAM
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Mohd Ahlam
FREE Resource
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24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah bahan atom?
Silikon, boron dan fosforus
Plumbum, kripton dan ferum
Kalium, natrium dan karbon
Klorin, silikon dan helium
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara gabungan berikut, yang manakah akan membentuk bahan ion?
Natrium dan klorin
Silikon dan oksigen
Karbon dan oksigen
Magnesium dan ferum
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapakah bahan ion mempunyai takat lebur yang tinggi?
lon adalah sangat aktif
Proton tertarik kepada kation
lon ditarik bersama oleh daya tarikan elektrostatik yang kuat
Elektron dipindahkan kepada bukan logam
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 1 menunjukkan satu unsur dalam Jadual Berkala. Berapakah bilangan neutron dalam satu atom unsur tersebut?
10
12
24
36
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimanakah unsur-unsur dalam Jadual Berkala Unsur Moden disusun?
Mengikut pertambahan saiz atom
Mengikut pertambahan jisim atom
Mengikut pertambahan kereaktifan
Mengikut pertambahan nombor proton
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 2 menunjukkan satu Jadual Berkala yang tidak lengkap. Antara unsur A, B, C & D, Yang manakah adalah separa logam?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapakah magnesium dan kalsium diletakkan dalam satu lajur yang sama?
Mempunyai sifat kimia yang sama
Berada dalam keadaan jirim yang sama
Mempunyai bilangan petala yang sama
Mempunyai sifat fizik yang sama
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