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WorksheetsAtomic structure-1
Total questions: 20
Worksheet time: 19mins
Which of the following is the use of sodium-24?
Antara berikut, yang manakah kedunaan natrium- 24
To destroy bacteria in food without changing the quality of the food
membunuh bakteria dalam makanan tanpa mengubah kualiti makanan
To treat cancer patients
mengubati pesakit kanser
Detecting pipe leakage
mengesan kebocoran paip
To estimate the age of fossils and artifacts
menganggar usia fosil atau artifak
What is the factor that determine the chemical properties of an element?
Apakah faktor yang menentukan sifat kimia sesuatu unsur
The number of electrons in the shells
bilangan elektron dalam petala
The number of neutrons in the nucleus
Bilangan neutron dalam nukleus
The number of proton in the nucleus
Bilangan proton dalam nukleus
The number of electrons in the outermost shell
Bilangan elektron pada petala terluar
What is the process in which a solid change to liquid
Apakah proses dalam perubahan pepejal kepada cecair
boiliong
pendidihan
melting
peleburan
freezing
pembekuan
condensation
kondensasi
Diagram shows the chemical symbols of sodium atom
What is the number of valence electron for atom sodium
Rajah menunjukkkan simbol kimia bagi atom natrium
berapakah bilangan elektron valens bagi atom natrium
1
3
5
11
Substance T has the following properties
Melting point is 73°C
Boiling point is 140°C
What is the physical state of T at 130°C
Bahan T mempunyai sifat berikut
takat lebur adalah 73°C
Takat didih adalah 140°C
Apakah sifat fizikal bahan T pada suhu 130°C
gas
liquid / cecair
solid / pepejal
gas and liquid / gas dan cecair
Diagram 2 shows the arrangement particle for the change state of matter. What of the following is process P ?
Diagram 2 menunjukkan susunan zarah bagi perubahan keadaan jirim. Manakah berikut adalah proses P
melting/ peleburan
boiling/pendidihan
freezing/pembekuan
sublimation/pemejalwapan
A patient is diagnosed of having thyroid cancer.
Which isotope is used to threat the patient?
Seorang pesakit didiagnos mempunyai kanser tiriod, Manakah isotop yang digunakan untuk merawat pesakit tersebut
carbon-14/karbon 14
sodium-24/natrium-24
phosphorus-32/ fosforus-32
iodine-131/ iodine-131
Which inter-conversion involves the releasing of energy?
antara perubahan berikut, yang manakah melibatkan pembebasan tenaga
Ice to Steam
ais ke stim
Steam to water
stim ke air
ice to water
ais kepada air
water to steam
air kepada stim
Which scientist introduce the movement of electron in a shell of an atom?
saintis manakah yang memperkenalkan pergerakan elektron dalam petala suatu atom
Neils Bohr
John Dalton
James Chadwick
Ernest Rutherford
Diagram shows the cooling graph for gas X. Which of the following statements is true ?
Rajah menunjukkan graf penyejukkan . Antara pernyataan berikut, yang manakah benar
From 0 to t1 heat energy is absorbed
Dari 0 ke t1 tenaga haba diserap
From t1 to t2 forces between particles are overcome
Dari t1 ke t2 daya tarikan antara zarah di atasi
From t2 to t3 the kinetic energy of particles increased
Dari t2 ke t3 enaga kinetik zarah bertambah
From t1 to t4 the heat energy released to equal to the heat energy lost to the surroundings
Dari t1 ke t4, tenaga haba terbebas sama dengan tenaga haba hilang ke persekitaran
Which of the following set ups of the apparatus is correct to determine the melting point of acetamide ?
Manakah susunan radas yang betul bagi memnetukan takat lebur asetamida?
Diagram shows the electron arrangement for the J3+ ion. An atom of element J contain 12 neutron .
What is the nucleon number of element J?
Rajah menunjukkan susunan elektron bagi ion J3+ . Atom bagi unsur J mempunyai 12 neutron.
Apakah nombor nukleon bagi J
10
12
22
25
Which substance is an element ?
Manakah bahan berikut adalah unsur
air
steam
carbon
sodium chloride
Graph in diagram show the cooling of stearic acid solution.Which of the following is true about the graph ?
Graf menunjukkan penyejukan larutan asid stearik. Manakah antara berikut adalah benar bagi graf tersebut
Freezing point of stearic acid is 70°C
Takat beku asid stearik adalah 70°C
At t2 the stearic acid are in liquid state
Pada t2 asid stearik dalam keadaan cecair
The heat absorbed from environment between t2 to t3
Haba diserap dari persekitaran antara t2 to t3
Volume of stearic acid increase at t3 to t4
Isipadu asid stearik bertambah pada t3 to t4
Which substance is an atom
Bahan manakah merupakan atom
salt/garam
magnesium
carbon dioxide/karbon dioksida
glucose/glukosa
diagram shows an inteconversion of the state of matter. Which substance undergo process Y
Rajah menunjukkan satu perubahan keadaan jiirm. Bahan manakah yang mengamali perubahan Y
iodine/iodin
sulfur/sulfur
naphthalene/ naftalena
sodium chloride/natium klorida
Who discovered neutron?
Siapakah yang menjumpai neutron ?
Neils Bohr
J.j Thomson
James chadwick
Ernest rutherford
Which a pair is matched correctly?
Pasangan yang manakah dipadankan dengan betul
ammonia - molecule
neon-molecule
nitrogen dioxide-ion
hydrogen chloride-ion
Diagram shows a water cycle
What is process P and energy change
Rajah menunjukkan satu kitaran air
Apakah proses P dan perubahan tenaga yang terlibat
P: Condensation/kondensasi
Energy changes : energy absorbed
Perubahan tenaga : tenaga diserap
P: Condensation/kondensasi
Energy changes : energy released
Perubahan tenaga : tenaga dibebaskan
P:evaporation/penyejatan
Energy changes : energy absorbed
Perubahan tenaga : tenaga diserap
P:evaporation/penyejatan
Energy changes : energy released
Perubahan tenaga : tenaga dibebaskan
Diagram shows the arrangement of particles in three state of matter at room temperature. what are substance X, Y and Z
Rajah menunjukkan susunan zarah dala tiga keadaan jirim pada suhu bilik.Apakah bahan X, Y dan Z pada suhu bilik
X: bromine/bromin
Y:naphthalene/naftalena
Z:nitrogen/nitrogen
X: naphthalene/naftalena
Y:nitrogen/nitrogen
Z: bromine/bromin
X:nitrogen/nitrogen
Y:bromine/bromin
Z: naphthalene/naftalena
X:bromine/bromin
Y:nitrogen/nitrogen
Z: naphthalene/naftalena
