Unsur kumpulan 18- Jadual Berkala Unsur
Quiz
•
Chemistry
•
7th - 10th Grade
•
Practice Problem
•
Medium
Norlizah Nordin
Used 180+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Gas Helium digunakan untuk mengisi belon pengiklanan kerana sifatnya yang lengai. Mengapakah gas Helium bersifat lengai?
Ia mempunyai ketumpatan yang rendah.
Ia wujud sebagai monoatom.
Ia berada dalam kumpulan 18 dalam Jadual Berkala Unsur.
Ia telah mencapai susunan elektron yang stabil.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah benar tentang unsur-unsur dalam Jadual Berkala Unsur?
Unsur - unsur Kumpulan 18 mempunyai takat lebur dan takat didih yang rendah.
Sifat kelogaman bertambah apabila merentassi kala dari kiri ke kanan.
Unsur kumpulan 18 wujud sebagai dwiatom.
Unsur-unsur dalam kumpulan yang sama mempunyai sifat fizik yang sama.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila menuruni Kumpulan 18,
kereaktifan berkurang.
ketumpatan bertambah
saiz atom berkurang
takat didih berkurang
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur yang manakah terletak dalam Kumpulan 18 Jadual Berkala.
Nitrogen
Bromin
Argon
Hidrogen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut yang manakah merupakan nombor proton gas adi?
4
8
18
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut yang manakah digunakan sebagai mentol elektrik?
Udara
Hidrogen
Helium
Argon
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut yang manakah digunakan dalam lampu flash kamera?
Neon
Argon
Kripton
Xenon
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