Which of the following substances exists as atoms? Antara bahan berikut, yang manakah wujud sebagai atom?

A Carbon CarbonB Oxygen OksigenC Water AirD Chlorine Klorin

Which of the following represents the electron arrangement of a noble gas? Antara berikut, yang manakah mewakili susunan elektron gas adi?

A

B

C

D

Which of the following is a property of iodine?Antara berikut, yang manakah sifat iodin?

ABecomes purple gas when heatedMenjadi gas ungu apabila dipanaskan

BMore electronegative than bromineLebih elektronegatif daripada bromin

C Exists as yellow liquid at room conditions Wujud sebagai cecair kuning pada keadaan bilik

D Dissolves in water to form an alkaline solution Larut dalam air membentuk larutan beralkali

Which of the following is a property of covalent compound? Antara berikut, yang manakah sifat sebatian kovalen?

A Conducts electricity in liquid stateMengkonduksi elektrik dalam keadaan cecair

BDissolves in organic solventsLarut dalam pelarut organic

C Requires a great amount of heat to break the attractive forces between molecules Memerlukan haba yang banyak untuk memutuskan daya tarikan antara molekul

D Solid covalent compounds consist of particles which are scattered randomly Sebatian kovalen pepejal mengandungi zarah-zarah yang bertabur secara rawak

What happens to a chlorine atom when sodium combines with chlorine? Apakah yang berlaku kepada atom klorin apabila natrium berpadu dengan klorin?

AAccepts an electronMenerima satu elektron

BReleases an electronMembebas satu elektron

CAccepts two electronsMenerima dua elektron

DShares a pair of electronsBerkongsi sepasang elektron

Which of the folllowing is an electrolyte?Antara berikut, yang manakah elektrolit?

AGlucoseBCopperCNaphthaleneDSodium chloride

Diagram 2 shows the set-up of apparatus used to investigate diffusion in a solid. Rajah 2 menunjukkan susunan radas untuk menyiasat resapan dalam pepejal.

After a few days, the colourless solid gel turned blue. What can we deduce from the above investigation? Selepas beberapa hari, pepejal gel tanpa warna bertukar ke biru. Apakah yang dapat disimpulkan daripada penyiasatan di atas?

A Copper(II) sulphate dissolves in the gel Kuprum(II) sulfat larut dalam gel

B Copper(II) sulphate is less dense than the gel Kuprum(II) sulfat kurang tumpat daripada gel

C Copper(II) sulphate reacts with the gel to produce blue colour Kuprum(II) sulfat bertindak balas dengan gel menghasilkan warna biru

D Copper(II) sulphate particles diffuse through spaces between the gel particlesZarah-zarah kuprum(II) sulfat meresap melalui ruang di antara zarah zarah gel

Diagram 4 shows the heating curve of solid naphthalene. Rajah 4 menunjukkan kelok pemanasan pepejal naftalena.

Which of the following statements is true about the particles of naphthalene at ToC? Antara pernyataan berikut, yang manakah benar mengenai zarah-zarah naftalena pada T oC?

IThe particles can only vibrate and rotate at fixed positions at t1Zarah-zarah hanya bergetar dan berputar di kedudukan yang tetap pada t1IIBoth solid and liquid are present between t1 and t2Kedua-dua pepejal dan cecair wujud antara t1 dan t2IIIThe forces of attraction between particles are overcomeDaya tarikan antara zarah-zarah diatasiIVThe particles absorb heat energyZarah-zarah menyerap tenaga haba

AI and III onlyBII and IV onlyCI, II and III onlyDI, II, III and IV

The symbol of sodium atom is 23 Na. The nucleus of this atom contains 11

Simbol atom natrium adalah 23 Na. Nukleus atom ini mengandungi 11

A11 protons and 12 neutrons

B11 neutrons and 12 protons

C11 protons and 12 electrons

D12 neutrons and 11 electrons

Figure 6 shows four elements in the Periodic Table of Elements. Which of the element can form coloured compound? Rajah 6 menunjukkan empat unsur dalam Jadual Berkala Unsur. Unsur yang manakah boleh membentuk sebatian berwarna?

The information below shows three characteristics of a compound P. Maklumat berikut mununjukkan tiga ciri bagi sebatian P.

Soluble in water High melting and boiling points Does not conduct electricity in the solid state

What is P? Apakah P?

AZincBSulphurCSilver chlorideDSodium nitrateFigure 8 shows the electron arrangement of an atom of element X Gambarajah 8 menunjukkan susunan elektron bagi atom unsur X.

The atom of element X can form a covalent bond with another atom through Atom unsur X membentuk ikatan kovalen dengan atom lain melalui

Aacceptance of two electronspenerimaan dua elektron Bdonation of two electronsmenderma dua elektron

Csharing of two pairs of electronsperkongsian dua pasang elektron

Delimination of three pairs of electronspenyingkiran tiga pasang elektron

Potassium and sodium are in the same group in the Periodic Table. Which of the following statements is true about potassium?Kalium dan natrium adalah dalam kumpulan yang sama dalam Jadual Berkala. Antara pernyataan berikut, yang manakah benar mengenai kalium? A Potassium reacts more vigorously with water compared to sodium Kalium bertindak balas lebih cergas dengan air berbanding natrium B Potassium has a higher density compared to sodium Kalium mempunyai ketumpatan yang lebih tinggi berbanding natrium C The melting point of potassium is higher than that of sodium Takat lebur kalium lebih tinggi daripada natrium D Potassium is less electropositive than sodium kalium kurang elektropositif berbanding natrium

Element J and element Q have proton numbers of 11 and 8 respectively. What is the relative molecular mass of compound formed between J and Q? Unsur J dan unsur Q masing-masing mempunyai nomborproton11 dan 8. Berapakah jisim molekul relatif sebatian yang terbentuk antara J dan Q? [Relative atomic mass : J = 23 ; Q = 16]

A39B55C62D78

1.72 g of an oxide of metal X contains 0.8 g oxygen. What is the empirical formula of the oxide?1.72 g oksida logam X mengandungi 0.8 g oksigen. Apakah formula empiric bagi oksda itu?[Relative atomic mass : X = 46 ; O = 16]

AXO2BX2 OCX2 O3DX2 O5

2.10 g of element Q combined with 0.80 g of element R to produce a compound with formula Q3 R4 . What is the relative atomic mass of element Q? 2.10 g unsur Q berpadu dengan 0.80 g unsur R untuk menghasilkan sebatian dengan formula Q3 R4 . Berapakah jisim atom relatif unsur Q? [Relative atomic mass : R = 16]

A14B42C56D58

What is the relative molecular mass of ammonium sulphate, (NH4 )2 SO4 ?Apakah jisim molekul relatif bagi ammonium sulfat, (NH4 )2 SO4 ?[Relative atomic mass: H = 1, N = 14, O = 16, S = 32]

A114B116C118D132

Assuming that a new element called Sharine (symbol Sh) was discovered and it is above fluorine in Group 17 of the Periodic Table of Element, which are the CORRECT statements about Sharine? Andaikan satu unsur baru ditemui dan dinamakan Sharin (simbol Sh) dan terletak di atas Florin dan Kumpulan 17 dalam Jadual Berkala Unsur, yang manakah BENAR tentang pernyataan Sharin?

IIt is a non-metal.Ia adalah bukan logam. IIIt is the most reactive element in Group 17.Ia adalah unsur paling reaktif dalam Kumpulan 17.IIIIt is the most electronegative element in the Group 17.Ia adalah unsur yang paling elektronegatif dalam Kumpulan 17.IVIt is the most probably in gaseous form at room conditions.Ia adalah berbentuk gas pada suhu bilik.

AI and II onlyBII and III onlyC I, II and III onlyD I, II, III and IV

The following statements are about atom U and T. Pernyataan berikut adalah mengenai atom U dan T. Electron arrangement of atom U is 1 Susunan elektron atom U ialah 1 Proton number of atom T is 6 Nombor proton atom T ialah 6 What is the formula of the compound formed between U and T? Apakah formula bagi sebatian yang terbentuk antara U dan T?

ATUBTU2C TU3 D TU4 Diagram 49 shows the electron arrangement of a compound formed between element T and element Q.

Rajah 49 menunjukkan susunan elektron bagi sebatian yang terbentuk daripada unsur T dan unsur Q.

+2-+

T+Q2-T+

Diagram 49 Rajah 49

What group in the Periodic Table of Elements is element Q located? Apakah kumpulan bagi unsur Q dalam Jadual Berkala Unsur?

A2B8C16D18

Diagram 2 show the symbol of an atom copper. Rajah 2 menunjukkan simbol atom kuprum.

64Cu29

Diagram 2

Which of the following is correct based on the symbol in diagram 2. Antara berikut yang manakah benar berdasarkan simbol dalam Rajah 2 ?

Proton numberNucleon numberNumber of electronNombor protonNombor nucleonBilangan elektronA296429B352964C643529D296435

Which of the following atomic models was proposed by Ernest Rutherford?Antara berikut yang manakah model atom yang disyorkan oleh Ernest Rutherford? A The atom is the smallest particle. Atom merupakan zarah terkecil. B The atom is a positively charged sphere. Atom ialah sfera yang bercas positif. C The atom contains a nucleus that is surrounded by electrons moving a random. Atom mengandungi satu nukleus yang dikelilingi oleh elektron yang bergerak secara rawak. D The atom contains a nucleus that is surrounded by electrons that move in certain orbitals. Atom mengandungi satu nukleus yang dikelilingi oleh elektron yang bergerak dalam orbit yang tertentu.

From the position in the Periodic Table, we can predict many properties of an element and its compound. What property can not be predicted? Berdasarkan posisi dalam Jadual Berkala, kita boleh meramalkan pelbagai sifat suatu unsur dan sebatiannya. Apakah sifat yang tidak boleh diramalkan? A The formula of its oxide. Formula oksida. B The number of isotopes it has. Bilangan isotop. C The melting point. Takat lebur. D The freezing point. Takat beku.

Among the following compounds, which one contains particles bonded by strong electrostatic forces?Di antara sebatian berikut, yang manakah terdiri daripada zarah yang diikat oleh daya elektrostatik yang kuat. A Ammonia Ammonia B Naphthalene Naftalena C Carbon monoxide Karbon monoksida D Sodium chloride Natrium klorida

Which of the following has the same empirical formula as ethene, C2H4?Yang mana antara berikut mempunyai formula empirik yang sama denganetena, C2H4?AC3H7BC4H11C C5H11D H12

The molar mass of astatine is 210 gmol-1. What is the relative atomic mass forastatine?Jisim molar astatin ialah gmol-1. Berapakah jisim atom relatif bagi astatin?A100B110C210D120

Which of the following conducts electricity but does not undergo chemicalchanges?Yang mana antara berikut boleh mengkonduksi elektrik tetapi tidak mengalami perubahan kimia? AMolten lead(II) chlorideLeburan plumbum(II) klorida BMolten sulphurLeburan sulfur CMolten magnesiumLeburan magnesium DMolten aluminium nitrateLeburan aluminium nitrat

Going down Group 18 of the Periodic Table of Element, Apabila menuruni Kumpulan 18 dalam Jadual Berkala Unsur, Ithe boiling point of the elements increases..takat didih unsur bertambah. IIthe size of the atom increases.saiz atom bertambah. IIIthe forces of attraction between the particles increases.daya tarikan di antara zarah bertambah.IVthe solubility of the elements in water increases.keterlarutan unsur dalam air bertambah.

AI and II onlyBII and III onlyC III and IV only D I, II and III only

Aluminium oxide reacts with hydrochloric acid Aluminium oksida bertindak balas dengan asid hidroklorik Aluminium oxide reacts with sodium hyroxide solution Aluminium oksida bertidak balas dengan larutan natrium hidroksida

The table above shows some information on aluminium oxide. From the informa-tion above, which of the following is TRUE?

Jadual di atas menunjukkan maklumat tentang aluminium oksida. Berdasarkan maklumat tersebut yang manakah BENAR?

AAluminium oxide is a base oxide.Aluminium oksida ialah oksida bes. BAluminium oxide is an acid oxide.Aluminium oksida ialah oksida asid. C Aluminium oxide is an amphoteric oxide. Aluminium oksida ialah oksida amfoterik. D Aluminium oxide is a metalloid oxide. Aluminium oksida ialah oksida logam.

When an electric current is flowed through molten lead(II) bromide, brown vapour can be seen on the anode of the carbon electrode. What is the reason?Apabila arus elektrik dialirkan menerusi leburan plumbum(II) bromida, wasap perang boleh diperhatikan di anod elektrod karbon. Apakah sebabnya?

APotassium is formed at the anode.Kalium terbentuk di anod. B Potassium reacts with bromine at the carbon anode. Kalium bertindak balas di anod karbon. C Bromide ion loses electron at the carbon anode to produce bromine. Ion bromida melepaskan elektron di anod karbon untuk menghasilkan bromine. D Potassium bromide dissociates into potassium ions and bromide ions. Kalium bromida bercerai kepada ion kalium dan ion bromida.

An element M has proton number 12. It has the tendency of forming cation M2+.What is the electron arrangement of M2+?Unsur M mempunyai nombor proton 12. Ia cenderung membentuk kation M2+.Apakah susunan elektron bagi M2+?A2.8.2B2.2C2.8D2.8.8.2

Which of the following substances has INCORRECT chemical formulae?Yang manakah di antara sebatian berikut mempunyai formula kimia yang TIDAK BENAR?

A

SubstanceBahanSodium chlorideNatrium klorida

FormulaFormulaNaCl

B

Copper(II) sulphateKuprum(II) sulfat

CuSO4

C

Potassium oxideKalium oksida

K2O

D

Ammonium nitrateAmmonium nitrat NH4(NO3)2