1 | P a g e Trimester 1 -2021/2022 Physical Science Revision Packet Grade 9

Al-Andalus International School

Trimester 1-2021/2022 Revision Packet Subject: Physical Science

Name: ______________________________________ Grade: 9 Date: _____

Chapter Section Text Book Pages

Chapter 3: States of

Matter

Section 1: Matter & Energy 77-83

Section 2: Changes of State 84-88

Chapter 4: Atoms Section 1: The Developmenet of the Atomic Theory 113-118

Section 2: The Structure of Atoms 119-127

Section 3: Modern atomic Theory 128-132

Chapter 3: The

Periodic Table

Section 1: Organizing the Elements 145-150

Section 2: Exploring the Periodic Table 151-155

Section 3: Families of Elements 156-164

2 | P a g e Trimester 1 -2021/2022 Physical Science Revision Packet Grade 9

Q1) Choose the correct answer:

____ 1.The fundamental building block of matter is the

a. atom.

b. molecule.

c. cell.

d. proton.

_____ 2. An element is made of one type of a. molecule.

b. atom.

c. compound.

d. mixture.

______3. A compound is

a. a substance that is composed of two or more elements that are chemically

bonded.

b. a molecule formed by atoms of the same element.

c. another word for an atom.

d. any substance that can be split apart

______4. A change in a substance that does not involve a change in the identity of the

substance is called a(n)

a. chemical change.

b. physical change.

c. extensive property.

d. intensive property.

________5.In every chemical change, two or more reactants form at least one

a. product.

b. solution.

c. change.

d. reaction.

_______6.Which is not true about the liquid state of matter?

a. The liquid state has a definite volume and a definite shape.

b. The liquid state takes on the shape of its container.

c. The liquid state has a definite volume and an indefinite shape.

d. The particles in a liquid can easily move past each other.

Chapter 3: States of Matter

Section1: Classification of matter & Section2: Changes of State

3 | P a g e Trimester 1 -2021/2022 Physical Science Revision Packet Grade 9

Q 2) Use the following words in the word bank to answer the following questions?

Temperature Kinetic theory Plasma

Energy Thermal energy Kinetic energy

a. The constant motion of particles is explained by ________________

b. The average kinetic energy is known as __________________

c. The higher the temperature, the higher the__________________

d. The ability to do work is called ___________________

e. The total kinetic energy of a substance is called ________________

f. _____________ is a state of matter that has no definite mass or volume much similar

to gases but they can have different properties like conducting electricity.

Q3)List three main points of the kinetic theory of matter.

a- …………………………………………………………………………………….

b- …………………………………………………………………………………….

Q4)State two examples for each of the four states of matter.

Solids: ……………………………………………………………………………….

Liquids: ……………………………………………………………………………..

Gases: ……………………………………………………………………………….

Plasma: ……………………………………………………………………………...

Q5)Compare the shape and volume of solid, liquids and gases.

Q6) Describe the relationship between the temperture and kinetic energy.

…………………………………………………………………………………………………

…………………………………………………………………………………………………

State of

Matter

Property

Solids Liquids Gases

Shape

Volume

4 | P a g e Trimester 1 -2021/2022 Physical Science Revision Packet Grade 9

Q1. Match the following statements from column A with the correct answer from

column B. Then write the answer in the spaces provided:

Column A Column B

1. Atom a. Unable to cut or divide!

2. Rutherford b. His experiment suggested that cathode

rays were made of negatively charged

particles that came from inside atoms

3. Dalton c. Greek philosopher who suggested that

the universe was made of invisible

units called ATOMS

4. Thomson d. He proposed that most of the mass of

an atom was concentrated in the center

of an atom

5. Democritus e. suggested that all atoms of a given

element are exactly alike and atoms of

different elements can be used to make

different compounds

6. Atomos

f. smallest unit in the universe

1._____2._____3._____4._____5._____6._____

Q1) Label the following diagram and state the charge of each:

A:______________________charge: _____________

B :______________________charge: _____________

C: ______________________charge: ______________

Q2) Oxygen has an isotope O17, what is meant by isotope?

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

Chapter 4: Atoms

Section 1: Development of atomic theory

Chapter 4: Atoms

Section 2: The structure of atoms

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Q3) Calculate the number of protons, electrons and neutrons for each of the following

ions and elements:

Q4) Choose the most correct answer:

1- Which defines an element?

a. The mass number.

b. The number of atoms

c. The atomic number

d. The nucleon number

2- Protons are located:

a. Freely in the atom

b. Inside the nucleus

c. In energy levels

d. Outside the atom

3- Electrons are located:

a. Freely in the atom

b. Inside the nucleus

c. In energy levels

d. Outside the atom

Element P+ N⁰ E- Electronic configuration

Ne10

20

Si14

28

P15

31

Mn 25

55

As33

75

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4- Isotopes have the same _______________, but different______________.

a. Mass number, number of neutrons

b. Atomic number, number of protons

c. Atomic number, mass number

d. Proton number, number of electrons.

5- A cation is a positively charged atom due to:

a. Loss of electron

b. Gain of electron

c. Loss of proton

d. Gain of protons

6- Radioactive is when a substance that is highly unstable:

a. emits energy in the form of radiation to become much more stable

b. gains energy to be stable

c. breaks into 2 compounds

d. breaks the atom

Q5: Calculate the following as required, use the list of elements to help you:

Fe26

56

Cu29

64

S 16

32

Si 14

28

O 8

16

N 7

14

F 9

19

Br 35

80

C 6

12

C 6

12

a. How many moles are there in 11g of silicon, Si?

__________________________________________________________________

__________________________________________________________________

b. How many particles are found in 10 moles of Sulphur S?

________________________________________________________________

________________________________________________________________

c. What is the mass of 15 moles of copper, Cu?

________________________________________________________________

________________________________________________________________

d. How many particles are in 6 grams of oxygen O?

________________________________________________________________

________________________________________________________________

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e. Calculate the number of moles in 76 grams of Florine F?

________________________________________________________________

________________________________________________________________

f. What is the mass in grams of 5.5 moles nitrogen element, N2?

________________________________________________________________

________________________________________________________________

g. Calculate the number of protons for carbon 12?

________________________________________________________________

________________________________________________________________

h. How many electrons are there in bromine atom, Br?

________________________________________________________________

________________________________________________________________

i. Fluorine is a gas; how many neutrons does it contain?

________________________________________________________________

________________________________________________________________

j. How many moles are there in 20 grams of iron, Fe?

________________________________________________________________

________________________________________________________________

k. What is the molar mass of CuSO4?

_______________________________________________________________

_______________________________________________________________

l. What is the molar mass of CO2?

________________________________________________________________

______________________________________________________________

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Q1) Mark the following as True or False:

a. Electrons are considered ONLY as particles. ____________

b. The exact location of electrons CAN be determined. ________________

c. Electrons from a higher energy level release energy to move to a lower energy level.

________________

d. Electrons are stationary not in continuous motion. ___________

e. The number of energy levels that are filled in an atom depend on the number of

electrons. _______________

f. The lowest state of energy of an electron is called the excited state. __________

Q2) Choose the correct answer:

A. Carbon has 6 electrons. How many valence electrons are there?

a. 2 c. 6

b. 4 d. 12

B. The second energy level has 1 s orbital and 3 p orbitals. How many electrons can

there be?

a. 2 c.18

b. 8 d.32

C. An electron moves from the ground state to an excited state when it absorbs:

a. A photon c. a proton

b. A neutron d. an isotope

Q3) Find the electronic configuration of the following:

Element Number of

Orbitals

Number of electrons Electronic configuration

Na11

23

Cl17

35.5

N7

14

Q4) Summarize the main points of modern atomic theory according to the following

topics:

1- Modern model of the atom:

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

Chapter 4: Atoms

Section 3: Modern atomic theory

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2- Electron energy levels:

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

3- Electron transition:

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

4- Electron-Wave model of the atom:

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

5- The four types of orbitals:

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

Q1) Choose the correct answer:

1. In the ancient periodic table, elements are arranged according to:

a. Decreasing atomic mass c. increasing atomic mass

b. Increasing atomic number d. increasing protons number

2. The first scientist to develop the periodic table is:

a. John Dalton c. Thomson

b. Mendeleev d. Democritis

3. The periodic law states that elements are arranged according to:

a. Decreasing atomic mass c. increasing atomic mass

b. Increasing atomic number d. increasing protons number

4. Each row of the periodic table is called:

a. A period c. group

b. A column d. a herd

5. Each column of the periodic table is called:

a. A period c. group

b. A row d. a herd

Chapter 5: The periodic table

Section 1: Organizing the elements

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6. Across a period from left to right element become:

a. Liquid c. Solid

b. Less metallic d. More metallic

Q2) Use your copy of periodic table to find the following:

1. The symbol of Mercury

2. The atomic mass of Iron

3. The atomic number of Argon

4. The period of Lithium

5. The column of Fluorine

); Answer the following questions: 12 Q3) For Magnesium atom (Mg

1. What is the electron configuration for this element? _____________________

2. What row in the periodic table that lies in? ____________________________

3. What the valence of this electron? ___________________________________

4. Is this element metal or non-metal? _________________________________

Q1) Choose the correct answer:

1. Elements in the same group have the same chemical properties due to:

a. Having the same group number c. having different symbols

b. Having the same valence electrons d. being in periodic table

2. Metals tend to form ____________ions by _______________electrons.

a. negative, gaining c. negative, losing

b. positive, gaining d. positive, losing

3. Non-metals tend to form __________ions by ____________electrons.

a. negative, gaining c. negative, losing

b. positive, gaining d. positive, losing

Chapter 5: The periodic table

Section 2: Exploring the periodic table

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Q2) Use your copy of periodic table to predict the charge of the following:

Element Group period Ion charge Anion / Cation

1. Beryllium

2. Iodine

3. Oxygen

4. Argon

Q3) Determine whether elements that fit the following descriptions are likely to be

metals or non-metals:

a. a shiny substance used to make car bodies. ________________

b. a gas that does not conduct electricity. _______________

c. a brittle substance that does not conduct heat. _________________

d. A grey material used to make electric wires. _____________

Q1) On the line at the left of each term in the first column, write the letter of the

expression in the second column that is most closely related.

1. _____ Alkaline earth metals

2. _____ Noble gas

3. _____ transition elements

4. _____ alkali metals

5. _____ halogens

Q2) By using the periodic table: Give an atom with the following characteristics.

a. Halogen ___________________b. Transition metals _________

c. Alkali metal ________________d. Alkaline Earth metal________

e. Transition metal _____________f. Nobel gas _______________

g. Semiconductors___________

Chapter 5: The periodic table

Section 3: Families of elements

a. Group 1 elements

b. Group 18 elements

c. Groups 2 elements

d. Group 17 elements

e. Groups 3-12

1-____ 2-____3-____4-____5-_____

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Q3) Comment on each of the following pictures with a suitable description in the spaces

provided:

1- ______________________________________________

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4- _____________________________________________

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5- _____________________________

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6- _________________________________________

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8- ________________________

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