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WorksheetsJadual Berkala - Kala 3 dan Unsur Peralihan
Total questions: 10
Worksheet time: 5mins
A period of elements in the Periodic Table of Elements ..
Kala unsur di dalam Jadual Berkala Unsur ....
is a list of metals in order of reactivity
senarai logam mengikut kereaktifan
is a horizontal row of element
baris mengufuk unsur
is a vertical column of element
lajur menegak unsur
contains the same number of electrons in their outermost shells
mengandungi bilangan elektron yang sama di petala terluar
Element X is placed on the left of element Y in the same period in the Periodic Table. If the proton number of Y is 12, then electron arrangement of X is
Unsur X terletak di sebelah kiri unsur Y dalam kala yang sama di dalam Jadual Berkala. Jika nombor proton Y ialah 12, maka susunan elektron X ialah..
2.8.1
2.8.2
2.8.3
2.8.8.2
What are the changes that occur as we across Period 3 in the Periodic Table?
Apakah perubahan yang berlaku apabila kita merentasi Kala 3 di dalam Jadual Berkala?
I Proton number increases / Nombor proton bertambah
II Atomic radius increases / Jejari atom bertambah
III Electronegativity increases / Keelektronegatifan bertambah
IV Metallic properties of the element decreases / Sifat logam unsur berkurang
I and/dan II
II and/dan IV
I and/dan III
I, III and/dan IV
The atomic size decreases across the Period 3 because the
Saiz atom berkurang merentasi Kala 3 kerana
proton number increases
nombor proton bertambah
nucleon number decreases
nombor nukleon berkurang
number of neutron increases
bilangan neutron bertambah
number of shells occupies electron decreases
bilangan petala berisi elektron berkurang
Aluminium oxide has both acidic an basic properties, therefore it is
Aluminium oksida mempunyai kedua-dua sifat asid dan bes, oleh itu ia
a base oxide / oksida bes
an acid oxide / oksida asid
a metalloid oxide / oksida separa logam
an amphoteric oxide / oksida amfoterik
An oxide of D can react with both hydrochloric acid and sodium hydroxide solution.
Suatu oksida D boleh bertindak balas dengan kedua-dua asid hidroklorik dan larutan natrium hidroksida.
Which of the following may be D?
Manakah antara berikut mungkin D?
Phosphorus / Fosforus
Magnesium
Aluminium
Sulphur / Sulfur
The following information shows the properties of element Q.
Maklumat berikut menunjukkan sifat unsur Q.
- Act as a catalyst / Bertindak sebagai mangkin
- Form complex ion / membentuk ion kompleks
- Forms coloured compounds / Membentuk sebatian berwarna
- Has more than one oxidation number / Mempunyai lebih daripada satu nombor pengoksidaan
Q is most probably
Q berkemungkinan
Iron / Ferum
Sodium / Natrium
Sulphur / Sulfur
Magnesium
Some transition elements and their compound are useful catalyst in industries. Which part is correct?
Sesetengah unsur peralihan dan sebatiannya merupakan mangkin berguna dalam industri. Yang manakah adalah benar?
Iron - manufacture of nitric acid from ammonia
Ferum - pembuatan asid nitrik daripada ammonia
Nickel - manufacture of ammonia
Nikel - pembuatan ammonia
Manganese (IV) oxide - manufacture of margarine
Mangan (IV) oksida - pembuatan marjerin
Vanadium (V) oxide - manufacture of sulphuric acid
Vanadium (V) oksida - pembuatan asid sulfurik
A restaurant owner wants to use colourful electric lamps to attract customer. Which of the following substances A, B, C and D in the Periodic Table is suitable to be used in the lamps?
Pemilik restoran ingin menggunakan lampu berwarna-warni untuk menarik pelanggan. Manakah antara bahan berikut sesuai digunakan di dalam lampu itu?
A
B
C
D
Cr, Mn, Fe, Co, Ni, Cu
There are 6 element with the correct symbol in Period 4 of the Periodic Table of Element. Which of the following not true about the element?
Berikut adalah 6 unsur di dalam Kala 4 Jadual Berkala Unsur. Manakah antara berikut tidak benar mengenai unsur tersebut?
They have a high melting point / Mempunyai takat lebur yang tinggi
They do not conduct heat / Tidak mengkonduksikan haba
They are able to form coloured compounds / membentuk sebatian berwarna
They have different oxidation number / mempunyai nombor pengoksidaan berbeza
