Which scientist proposed the Law of Octaves?
Saintis yang manakah mencadangkan Hukum Oktaf?
F4 CHEMISTRY CHAPTER 4
Quiz
•
Chemistry
•
1st - 12th Grade
•
Medium
daven daven
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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which scientist proposed the Law of Octaves?
Saintis yang manakah mencadangkan Hukum Oktaf?
Antoine Lavoisier
Johann W Dobereiner
John Newlands
Lother Meyer
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following relation is correct?
Hubungan yang manakah benar?
Group 1 - Alkaline Earth Metals
Kumpulan 1 - Logam Allkali Bumi
Group 2 - Alkali Metals
Kumpulan 2 - Logam Alkali
Group 17 - Halogen
Kumpulan 17 - Halogen
Group 18 - Transition Elements
Kumpulan 18 - Unsur Peralihan
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In the Periodic Table of Elements, elements are arranged according to the increasing order of ...
Dalam Jadual Berkala Unsur, unsur-unsur disusun mengikut tertib menaik ...
proton number
nombor proton
nucleon number
nombor nukleon
number of neutron
bilangan neutron
number of electron
bilangan elektron
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Elements are arranged in the same group based on...
Unsur-unsur disusun dalam kumpulan yang sama berdasarkan...
same number of protons
bilangan proton yang sama
same number of electrons
bilangan elektron yang sama
same number of neutrons
bilangan neutron yang sama
same number of valence electrons
bilangan elektron valens yang sama
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Why Group 18 elements are chemically unactive?
Mengapa unsur-unsur Kumpulan 18 adalah tidak reaktif secara kimia?
number of electron is equal to number of proton
bilangan elektron sama dengan bilangan proton
has 8 valence electrons
mempunya 8 elektron valens
has stable duplet or octet electron arrangement
mempunyai susunan elektron duplet atau oktet yang stabil
number of proton more than number of neutron
bilangan proton melebihi bilangan neutron
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Element X has electron arrangement of 2.8.1. Which of the following statement regarding element X is incorrect?
Unsur X mempunyai susunan elektron 2.8.1. Antara pernyataan berikut yang manakah tidak benar tentang unsur X?
soft metal
logam lembut
grey shinny solid
pepejal kelabu berkilat
has high melting point and boiling point
mempunyai takat lebur dan takat didih yang tinggi
good heat and electrical conductor
konduktor haba dan elektrik yang baik
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following metals burns with a bright lilac flame in oxygen and produces a white residue?
Antara logam berikut, yang manakah terbakar dengan nyalaan ungu yang terang dalam oksigen dan menghasilkan baik putih.
potassium
kalium
sodium
natrium
silver
argentum
lead
plumbum
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