1971-11-03 — Page 19

育教伊華頁三第張五第日六十月九年多幸櫪萝 WAH KIU YAT PO

1972

興文中學會考試題預習專欄道書院主编编

化學科

-(-)

聯提早到埃

各組主理人

SEVSBER

hemistry

The Chemistry Examination in the Hong Kong School

Certificate Examination (English)1972 will consist of

one paper of 24 hours.

The paper will be in two Sections A and B. Section A will consist of Multiple choice quest- fons all to be ad

Section will include a variety of questions and

choice will be allowed.

It is hoped that a series of exercises, which will appear every week in this paper, will help the readers to prepare for the examination in May, 1972. Answers to the exercises will be given in the next isene.

報日橋

|||||| 3- NOV 1971

KE CITY

KARY

HALL

台、池、浴

“九龍方面,尖沙咀

Y

GETT

A RARE P7

FRYSENS

TUREN. WAZI

土本月中旬藏止,有

LEILA NA

三期星日三月一十年一七九一宝公三十六国民营下

一九五二年以來

DRYSLERTS

下午三時三十分主,

+HEYROST

ERSCHAISES

先生 LEGYNNESSE

中大校外函授課程將開課 杨外泡底部十六咲狀。下午三時正在諾正中 《泡获》中文大學一年我事研究大會京太日 有興趣選讎者宜儘速報名

所對論,氣 聘主運入,運各

165 - AICHEYAN HC-GZXTERI

,定一切。 晦院屮7分前百社會塲 主国人患日市十二

HUSMAAKHENFITAREN

1972

中文中學會考試題預習專欄 C

UREBONE L

IKE

∴ 分請政府首長及商界名流消

台灣至日到没驚無會外,於本月十二日,在魏院校合

CODEINKBEGER-ORSKIERTUETEN-E

本月十二日辦騶術性研討會 合書院慶祝創校十五周年

745-19XFENE****• MESINNANNIERS HAKHAVISPWANGESE••F7KEXAE - BENIK •

Re

BEBEKR

SENRE

BEHENKKENR..

BERKAHA...

在暴及就會料导学院院

SERENGE 無果驚科健先生..

JAHOVIKKE FRATRESN

·钢禇源養之因果

ENFE

BRETA ISHON

She saw her old friend at the party. She wana very glad. (Use to see")

(1) The proton

carries a negative charge.

carries a positive charge

carries no charge.

is about the same weight as an electron,

The nautron

carries a negative charge.

carries a positive change

carries no charge

18 about the same weight as an electron

(3) The electron.

Carries a negative charge. carries a positive charge carries no charge is about the same weight:

a pro

The hydrogen

gen atom is made up of

(a) one proton and one electron

(b). one proton, one neutron and one electron

two protons and one electron

one neutron and one electron

An electrically neutral atom containe

An equal number of protons and neutrons

b

An equal number of protons and electrons.

An equal number of neutrons and electrons differant numbers of protons and electrons.

(6) The helium atom is electrically neutral because

there are two electrons and two protone. there are two protons and two neutrons there are two protons and two neutrona there are two neutrone in the nucleus of the atom

atomic number of a particular element is

the number of neutrons in the electricall neutral atom

the number of electrons in the cation. the number of atoms in the molecule

the number of protons in the electrically neutral atom..

(8) A cation is an ion with

(9)

an excess negative charge

an, excess number of neutrone

an excess positive charge in the nucleu

one more proton is the nucleus

anión is an ion with÷

an excess negative charge

an excess number of neutrons

an excess positive charge in the nucleus

one more electron in the ion.

(10) Isotopes or an element such as hydrogen

denterium, and tritium, contain

different numbers of atoms in the molecule different numbers of electrons in the atom (o) different numbers of protons in the atom (d)different numbers of neutrons in the atom.

(11), Isotopes or an element occupy the same position

in the periodic table because

they have the same Physical properties they have the same. Chamical properties they have the same atomic number b they have different numbers of neutrons in the atom.

英文科(一)

許藩芳

ENGLISH (1)

Beginning from to-day's issue, our paper will provide the readers, in this column: every Wednesday, with some exercises on English, which, the compiler believes, may be found helpful to thom who are going to sit for the Chinese School, Certificate Examination next year.

ag

The compiler regrets that no attempt will be made to deal with Paper I, which, if included, would mean nothing but a compilation of essays and letters Model answers will be given in the next Wednesday!a issue, but no explanation will be given unless absolutely necessary.

4. Rewrite the sentences without changing the

meaning, following the instructions given in the brackets Alternatións or additions may be made. if necessary.

Example: Mary promised that she would not te 11/

anyone my secret.

(Use to tell")

Mary promised not to tell-anyone "secret.

"Mary, will you come Baid John. (Use

see me to-BOTTOW?"

The teacher said that the pupils should not talk in the glans. (Use to talk")

He was crossing the road, a car knocked him down. (Combine beginning with "crossing"

contains many 'consiste".

John was Bick. He did not attend school, (Use "because of")

I hope I shall have a holiday (Use "Look

They worked as (Vae until").

was

could not solve the

problem.

(14) The maximum number of

ctrons in the Kaheil

POOD

His father did not allow him to go out to (Use topped"),

Give the proper form of each of the verbs in brackets

xample: I went homewards, (resolve) resolved]

get my money (change) changed.

The house in which I (live) not belong)

at present

to me, but (own) an overseas Chinese, who (return Hong Kong three years ago.

Never (step)

road without (Look). if anything (come)

off the pavement into the

both waya

3. The neighbours, (hear)

come).

what (happan) flocking to my house.

1. Your story (interest)

Indeed, I (interest) (interest) (Find)

by (oheat)

me very much. in your story, which

to everybody

that he could easily make a living

the young man stopped (work)

as a watchman..

There was a carriage (wait)

stution, (pull)

It (be) (read) (chat)

for us at the by two black horses.

very noisy last night. While It my favourite story-book, the boys) and (laugh)

and the baby

How you (feel)

yesterday? You (feel)

better "to-day?

When he

(find).

out of the window, ha? that the sturs (twinkle) By this time to-morrow he (arrive)

Macau

Insert prepositionss

He is hoping

Don't put off to-day.

Don't spit

diable dollars.

ter days

to-morrow, stazt

the floors offendera are

two hundred,

a penalty.

4. The man fell flat

breathe

The old man was hard

A coolie lives

Beware

8. I took my way

nearing»]

hand

pickpocksta

now

its busiest.

Jack was

10 I am proud.

pride

making an engineer

my students, that £87I TAKO them.

(18) The sodium chloride crystal contaian”

atoms of sodium and chlorine.

a network of interatonic bonda]Į molecules of sodium chloride sodium ions and chloride dons,

(15) The maximum number of electrons

(19)

(12) Isotopes of an element

show no difference in rhysical properties b) differ in the weights of the atoms

differ in the number of atoms the molecule differ very much in Chemical behaviours

(13) Neon is nonreactive because

(a)

there 8 electrons in the L shell, which fl stable

it is an inert gas

the atomic number is 10

Exercise

the atom can easily gain or lose one

10% 18 32

(16) The atonic number of sodium is

30 23

11

12

(17) The atomic mass of sodium

10 23

11

12

cbon dioxide is a covalent compound, because

the bondings are due to electrostatic attractions between the ions

the bondings are due to

electrostatio

attractions between atoms

(c) the pondings between the

the atoms are brough

about by mutual sharing of electrona

there are eight electrons surrounding each of the atoms in the molecule..

(20) Which of the following compounds is not covalent

Oxygen

(b) Hydrogen chloride

Kammonia

Sodium chloride

Nitrogen