21/10: Ionic compounds

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CHEMISTRY 9

18: Ionic compounds

Topic 6: Chemical bonding and Formulae

Week 11

1 / 46

Slide 1: Tekstslide

ChemistrySecondary Education

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CHEMISTRY 9

18: Ionic compounds

Topic 6: Chemical bonding and Formulae

Week 11

Slide 1 - Tekstslide

Good Morning!

Where will you put your learning materials: notebook, workbook, coursebook, pen and pencil, and laptop?
Have you kept your phone in your locker?
Have you joined our LessonUp slides?
Have you gone to the bathroom before the class starts?
Have you checked any announcements or missing work on our Google Classroom?
Are you seated in your assigned chair?

timer

2:00

Period 1: Lesson 18

Period 2: STEM Project

Slide 2 - Tekstslide

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CHEMISTRY 9

18: Ionic compounds

Topic 6: Chemical bonding and Formulae

Week 11

Slide 3 - Tekstslide

state the meaning of ionic bonds, cations, and anions.

draw a dot-and-cross diagram of metals and non-metals.

describe how ionic bonds are formed using the dot-and-cross diagram.

Slide 4 - Tekstslide

Classify the following according to the type of ion. One does not belong to any group.

Cation

Anion

sodium ion

Cl⁻

chloride ion

Mg²⁺

lithium ion

H⁺

K⁺

oxygen gas

S²⁻

Slide 5 - Sleepvraag

Slide 6 - Tekstslide

I can state the meaning of ionic bonds, cations, and anions.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

Slide 7 - Poll

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CHEMISTRY 9

18: Ionic compounds

Topic 6: Chemical bonding and Formulae

Week 11

Slide 8 - Tekstslide

Ionic bond

a strong electrostatic attraction between oppositely charged ions

Slide 9 - Tekstslide

Ionic bond

a strong electrostatic attraction between oppositely charged ions

Slide 10 - Tekstslide

Ionic bond

a strong electrostatic attraction between oppositely charged ions

outer shell

Slide 11 - Tekstslide

How do ions form?

SAMPLE 1:

Neutral lithium atom → Charged lithium cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 12 - Tekstslide

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

How do ions form?

SAMPLE 1:

Neutral lithium atom → Charged lithium cation

Slide 13 - Tekstslide

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

How do ions form?

SAMPLE 1:

Neutral lithium atom → Charged lithium cation

Slide 14 - Tekstslide

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

How do ions form?

SAMPLE 1:

Neutral lithium atom → Charged lithium cation

Slide 15 - Tekstslide

How do ions form?

SAMPLE 2:

Neutral sodium atom → Charged sodium cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell

Slide 16 - Tekstslide

How do ions form?

SAMPLE 2:

Neutral sodium atom → Charged sodium cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 17 - Tekstslide

How do ions form?

SAMPLE 2:

Neutral sodium atom → Charged sodium cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 18 - Tekstslide

How do ions form?

SAMPLE 2:

Neutral sodium atom → Charged sodium cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 19 - Tekstslide

How do ions form?

SAMPLE 2:

Neutral sodium atom → Charged sodium cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 20 - Tekstslide

How do ions form?

SAMPLE 3:

Neutral fluorine atom → Charged fluoride cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 21 - Tekstslide

How do ions form?

SAMPLE 3:

Neutral fluorine atom → Charged fluoride cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 22 - Tekstslide

How do ions form?

SAMPLE 3:

Neutral fluorine atom → Charged fluoride cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 23 - Tekstslide

How do ions form?

SAMPLE 3:

Neutral fluorine atom → Charged fluoride cation

GUIDE QUESTIONS:

(a) What is its atomic number or proton number?
(b) What is its electron number?
(c) What period is it located in the PT?
(d) So, how many shells does it have?
(e) What is its electronic configuration?
(f) So, what group does it belong to? How did you know?
(g) Is it a metal or non-metal?
(h) Will it change to cation or anion? Why?
(i) Will it lose or gain electron/s? How many?
(j) How will you show it in Bohr's model?
(k) Why does an atom need to change into ions?
(l) What makes an ion stable? It has a full outer shell.

Slide 24 - Tekstslide

Slide 25 - Tekstslide

I can draw a dot-and-cross diagram of metals and non-metals.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

Slide 26 - Poll

Pres_Template

CHEMISTRY 9

18: Ionic compounds

Topic 6: Chemical bonding and Formulae

Week 11

Slide 27 - Tekstslide

How does the salt lithium chloride form?

Lithium + Chlorine → Lithium chloride

GUIDE QUESTIONS:

What period is it located on the PT?
How many shells does it have?
How many electrons does lithium have?
What is its electronic configuration?
Is the outer shell full? Is it stable?
What will it do to become stable?

Lithium

Chlorine

Slide 28 - Tekstslide

GUIDE QUESTIONS:

What period is it located on the PT?
How many shells does it have?
How many electrons does lithium have?
What is its electronic configuration?
Is the outer shell full? Is it stable?
What will it do to become stable?

Lithium

Chlorine

How does the salt lithium chloride form?

Lithium + Chlorine → Lithium chloride

Slide 29 - Tekstslide

GUIDE QUESTIONS:

What period is it located on the PT?
How many shells does it have?
How many electrons does lithium have?
What is its electronic configuration?
Is the outer shell full? Is it stable?
What will it do to become stable?

Lithium

Chlorine

2 , 1

2 , 8, 7

__ , ___

__ , ___ , ___

How does the salt lithium chloride form?

Lithium + Chlorine → Lithium chloride

Slide 30 - Tekstslide

javalab.org

Slide 31 - Link

Pres_Template

CHEMISTRY 9

18: Ionic compounds

Topic 6: Chemical bonding and Formulae

Week 11

Slide 32 - Tekstslide

How does the salt sodium fluoride form?

Sodium + Fluorine → Sodium fluoride

GUIDE QUESTIONS:

What period is it located on the PT?
How many shells does it have?
How many electrons does lithium have?
What is its electronic configuration?
Is the outer shell full? Is it stable?
What will it do to become stable?

Sodium

Fluorine

Slide 33 - Tekstslide

GUIDE QUESTIONS:

What period is it located on the PT?
How many shells does it have?
How many electrons does lithium have?
What is its electronic configuration?
Is the outer shell full? Is it stable?
What will it do to become stable?

Sodium

Fluorine

How does the salt sodium fluoride form?

Sodium + Fluorine → Sodium fluoride

Slide 34 - Tekstslide

GUIDE QUESTIONS:

What period is it located on the PT?
How many shells does it have?
How many electrons does lithium have?
What is its electronic configuration?
Is the outer shell full? Is it stable?
What will it do to become stable?

Sodium

Fluorine

2 , 8 , 1

2 , 7

__ , ___

How does the salt sodium fluoride form?

Sodium + Fluorine → Sodium fluoride

Slide 35 - Tekstslide

Share your thought process in calculating the relative molecular/formula mass.

Slide 36 - Tekstslide

Slide 37 - Tekstslide

I can describe how ionic bonds are formed using the dot-and-cross diagram.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

Slide 38 - Poll

Classwork 10.1

Apply your learned knowledge and skills:

(a) State the meaning of ionic bond.

An ionic bond is _________________________.

(b) Choose one only.

Describe using a dot-and-cross diagram:

- potassium ionically bonds with fluorine OR

- sodium ionically bonds with bromine

timer

7:00000

Slide 39 - Tekstslide

Pres_Template

CHEMISTRY 9

18: Ionic compounds

Topic 6: Chemical bonding and Formulae

Week 11

Slide 40 - Tekstslide

Slide 41 - Tekstslide

I can define ionic bonds, cations, and anions.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

Slide 42 - Poll

I can state the meaning of ionic bonds, cations, and anions.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

Slide 43 - Poll

I can draw a dot-and-cross diagram of metals and non-metals.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

Slide 44 - Poll

timer

5:00

Slide 45 - Tekstslide

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STEM Project

Building a Futuristic City Scale Model

Week 11

Slide 46 - Tekstslide

21/10: Ionic compounds

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