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Chemistry F4- Chapter 4

Total questions: 37

Worksheet time: 41mins

Name
Class
Date
1.

Which scientist proposed the Law of Octaves?

Saintis yang manakah mencadangkan Hukum Oktaf?

a)

Antoine Lavoisier

b)

Johann W Dobereiner

c)

John Newlands

d)

Lother Meyer

2.

Which scientist proposed the Law of Octaves?

Saintis yang manakah mencadangkan Hukum Oktaf?

a)

Antoine Lavoisier

b)

Johann W Dobereiner

c)

John Newlands

d)

Lother Meyer

3.

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 ...

a)

proton number

nombor proton

b)

nucleon number

nombor nukleon

c)

number of neutron

bilangan neutron

d)

number of electron

bilangan elektron

4.

Elements are arranged in the same group based on...

Unsur-unsur disusun dalam kumpulan yang sama berdasarkan...

a)

same number of protons

bilangan proton yang sama

b)

same number of electrons

bilangan elektron yang sama

c)

same number of neutrons

bilangan neutron yang sama

d)

same number of valence electrons

bilangan elektron valens yang sama

5.

Why Group 18 elements are chemically unactive?

Mengapa unsur-unsur Kumpulan 18 adalah tidak reaktif secara kimia?

a)

number of electron is equal to number of proton

bilangan elektron sama dengan bilangan proton

b)

has 8 valence electrons

mempunya 8 elektron valens

c)

has stable duplet or octet electron arrangement

mempunyai susunan elektron duplet atau oktet yang stabil

d)

number of proton more than number of neutron

bilangan proton melebihi bilangan neutron

6.

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?

a)

soft metal

logam lembut

b)

grey shinny solid

pepejal kelabu berkilat

c)

has high melting point and boiling point

mempunyai takat lebur dan takat didih yang tinggi

d)

good heat and electrical conductor

konduktor haba dan elektrik yang baik

7.

The following elements are in Group 17 in the Periodic Table except

Unsur-unsur berikut berada di kumpulan 17 dalam Jadual Berkala kecuali

a)

bromine

bromin

b)

chlorine

klorin

c)

helium

helium

d)

iodin

8.

Why the reactivity of halogens decreases when going down the group?

Mengapakah kereaktifan halogen berkurang apabila menuruni kumpulan?

a)

the solubility of halogens decreases

keterlarutan halogen berkurang

b)

the electronegativity of halogens decreases

keelektronegatifan halogen berkurang

c)

the van der Waals forces between halogen molecules become stronger

daya van der Waals antara molekul halogen semakin kuat

d)

the physical state of halogens changes from gas to liquid then to solid at room temperature.

keadaan fizik halogen berubah daripada gas kepada cecair dan kemudian kepada pepejal pada suhu bilik.

9.

Diagram 1 shows an air balloon filled with gas X. In which group is X located in the Periodic Table?

Rajah 1 menunjukkan sebiji belon udara berisi gas X. Dalam kumpulan manakah X terletak dalam Jadual Berkala?

a)

Group 15

Kumpulan 15

b)

Group 16

Kumpulan 16

c)

Group 17

Kumpulan 17

d)

Group 18

Kumpulan 18

10.

Diagram 3 shows the electron arrangement of an ion L. Which of the following is the position of element L in the Periodic Table?

Rajah 3 menunjukkan susunan elektron bagi ion L. Antara berikut, yang manakah kedudukan unsur L dalam Jadual Berkala?

a)

Group 2, Period 3

Kumpulan 2, Kala 3

b)

Group 8, Period 2

Kumpulan 8, Kala 2

c)

Group 12, Period 3

Kumpulan 12, Kala 3

d)

Group 18, Period 2

Kumpulan 18, Kala 2

11.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

12.

one of several forms of a single element, which contains the same number of protons, but different numbers of neutrons

a)

isotope

b)

ion

c)

orbital

d)

nucleus

13.

an atom or group of atoms that has gained or lost one or more electrons and is now either positively or negatively charged

a)

isotope

b)

ion

c)

orbital

d)

nucleus

14.
What are elements in groups 3-12 called?
a)
nonmetals
b)
metals
c)
halogens
d)
transition elements
15.

Transition elements form _________ compound and are good ________.

a)

Coloured

b)

Density

c)

Middle

d)

Catalysts

16.

Q1: Which of the following is not a transition metal?

a)

Cobalt

b)

Rhodium

c)

Zirconium

d)

Potassium

17.
What are the uses of transition elements?
a)
building material
b)
pigment
c)
pigment, building material
d)
cars
18.

The Periodic Table is organized into _________ and __________.

a)

Atoms, things

b)

Groups, Periods

c)

Groups, metals

d)

Nonmetals, Periods

19.

Halogens are in group #___.

a)

17

b)

7

c)

6

d)

18

20.

Alkali Metals are in group # __.

a)

2

b)

15

c)

1

d)

19

21.

Alkaline Earth Metals are in group #___.

a)

1

b)

17

c)

12

d)

2

22.

This category of elements is kind of like a metal.

a)

Noble Gases

b)

Metalloids

c)

Non-metals

d)

Things

23.

Which of these is a distinguishing property for the nonmetals?

a)

Soft - can cut with a plastic knife

b)

Unreactive - don't give or receive electrons

c)

Shiny - exhibits luster

d)

Poor conductors of electricity

24.

Which of these will form a -1 charge?

a)

transition metals

b)

non-metals

c)

halogens

d)

alkali metals

25.

The shaded elements here are known as the...

a)

Noble Gases

b)

Halogens

c)

Non-Metals

d)

Transition Metals

26.

The distance from the nucleus of an atom to the valence electrons is the __________

a)

Atomic Radius

b)

Ionization Energy

c)

Electronegativity

d)

Electrostatic

27.

Why does ionization energy decrease down group?

a)

More protons in nucleus

b)

More energy levels (rings)

28.

Which element would have the smallest atomic radius?

a)

Li

b)

Be

c)

C

d)

Ne

29.

Diagram shows the symbol of neon. Which statements is not true about neon?

a)

Neon exist as a monatomic elements

b)

Neon has low melting and boiling point

c)

Neon has a low density

d)

Neon reacts with bromine to form a covalent compound

30.

Helium is a good insulator. Why?

a)

Helium do not contains mobile ions

b)

Helium do not contains mobile electrons

c)

Helium is not inert

d)

Helium is light

31.

Which of the following properties decreases going down the group?

a)

Boiling point

b)

Reactivity

c)

Melting point

d)

Atomic radius

32.

Which one of the following is the correct reaction between halogens and hydrogen?

a)

H + Cl → HClH\ +\ Cl\ \rightarrow\ HCl

b)

12H2 +12Cl2 →HCl\frac{\text{1}}{\text{2}}H_2\ +\frac{\text{1}}{\text{2}}Cl_2\ \rightarrow HCl

c)

H2 + Cl2 → 2HClH_2\ +\ Cl_2\ \rightarrow\ 2HCl

d)

H2 + Cl2 → H2Cl2H_2\ +\ Cl_2\ \rightarrow\ H_2Cl_2

33.

What makes a valence electron more attracted to the nucleus?

a)

less distance between the nucleus and having less protons

b)

less distance between the nucleus and having more protons

c)

more distance between the nucleus and having less protons

d)

more distance between the nucleus and having more protons

e)

less distance and having more valence electrons

34.
Which is larger... P or P3- ?
a)
P3- because it gains an energy level
b)
P3- due to extra electron repulsion
c)
P because it loses an energy level
d)
P because of extra electron repulsion
35.
Why does electronegativity increase across a period?
a)
Adding more energy levels makes the ve- further from the nucleus
b)
There are more valence electrons in the outer shell
c)
There are more protons  in the nucleus
d)
There are less protons in the nucleus
36.
List the following from largest to smallest atomic radius.
P, Cs, Co, Sr
a)
P, Co, Sr, Cs
b)
P, Cs, Co, Sr
c)
Cs, Sr, Co, P
d)
Sr, Cs, Co, P
37.

Why the reactivity of halogens decreases when going down the group?

Mengapakah kereaktifan halogen berkurang apabila menuruni kumpulan?

a)

the solubility of halogens decreases

keterlarutan halogen berkurang

b)

the electronegativity of halogens decreases

keelektronegatifan halogen berkurang

c)

the van der Waals forces between halogen molecules become stronger

daya van der Waals antara molekul halogen semakin kuat

d)

the physical state of halogens changes from gas to liquid then to solid at room temperature.

keadaan fizik halogen berubah daripada gas kepada cecair dan kemudian kepada pepejal pada suhu bilik.

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