JADUAL BERKALA (ulangkaji)
Quiz
•
Chemistry
•
4th Grade
•
Practice Problem
•
Medium
JOHANOORLIANA Moe
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur Y terletak dalam kumpulan 2 dan Kala 4 Jadual Berkala Unsur. Yang berikut yang manakah susunan elektron satu atom Y?
2.8.2
2.8.8
2.8.8.2
2.8.8.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur-unsur Kumpulan 18 pada Jadual Berkala. Unsur terdiri daripada
neon dan argon
helium dan hidrogen
hidrogen dan nitrogen
hidrogen, neon dan argon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Susunan elektron yang manakah dipunyai oleh
unsur-unsur Kumpulan 18?
2.4
2.8.7
2.8
2.8.18.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang manakah bukan sifat unsur-unsur
Kumpulan 18 pada keadaan bilik?
Berketumpatan rendah
Gas tak berwarna
Tidak larut dalam air
Takat lebur dan takat didih tinggi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Saiz atom setiap unsur bertambah semasa menuruni Kumpulan 18 kerana
daya tarikan antara nukleus dan elektron
valens bertambah
elektron valens adalah berjauhan dari
nukleus
bilangan proton berkurang
bilangan petala berisi elektron dalam atom
berkurang
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Takat lebur dan takat didih setiap
bertambah semasa menuruni Kumpulan 18 kerana
I unsur menjadi lebih aktif
II bilangan elektron valens bertambah
III daya tarikan antara atom menjadi lebih kuat
IV lebih tenaga haba diperlukan untuk
mengatasi daya tarikan kuat antara atom
I dan III
II dan IV
II dan III
III dan IV
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur-unsur Kumpulan 18 adalah tidak reaktif
secara kimia kerana
mempunyai lebih banyak neutron daripada
proton
petala terluar telah penuh berisi elektron
merupakan gas yang tidak mudah diperoleh
elektron valens adalah jauh dari nukleus
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