Oxides 2

• Chemistry
• Secondary Education
• Age 12,13

Metal  and Non-metal Oxides

Topic 7. Acids, Bases, and Salts 

01 April 2024

• watch a video and explain the responses to the given questions
• participate in the hinge-point discussions
• classify oxides, whether they are acidic, basic, or amphoteric, based on the given characteristics

Our Learning Goals

Metal  and Non-metal Oxides

Topic 7. Acids, Bases, and Salts 

01 April 2024

Write what you know
about "oxides"

• chemical compounds with one or more oxygen atoms combined with another element

Oxides

• chemical compounds with one or more oxygen atoms combined with another element

Oxides

Metal  and Non-metal Oxides

Topic 7. Acids, Bases, and Salts 

01 April 2024

What similarity do Venus and Earth share regarding their atmospheres?

How is Venus' rain different from Earth's?

What similarity do Venus and Earth share regarding their atmospheres?

What specific landform makes Venus's crust different from our planet, Earth?

How is Venus' rain different from Earth's?

What similarity do Venus and Earth share regarding their atmospheres?

What specific landform makes Venus's crust different from our planet, Earth?

How is Venus' rain different from Earth's?

What similarity do Venus and Earth share regarding their atmospheres?

Would you be able to survive on Venus?

Metal  and Non-metal Oxides

Topic 7. Acids, Bases, and Salts 

01 April 2024

What specific landform makes Venus's crust different from our planet, Earth?

How is Venus' rain different from Earth's?

What similarity do Venus and Earth share regarding their atmospheres?

Would you be able to survive on Venus?

Would you be able to survive on Venus?

YES

NO

MAYBE

Goal and Expected Output: Classify the given oxides whether each is acidic, basic (alkaline), or neutral.

Standards : Correct classification

Collaborative activity

Metal  and Non-metal Oxides

Topic 7. Acids, Bases, and Salts 

01 April 2024

sodium oxide (Na2O)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

calcium oxide (CaO)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

nitrogen dioxide (NO2)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

nitrogen monoxide (NO)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

water / hydrogen oxide (H2O)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

silicon dioxide (SiO2)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

iron (II) oxide (FeO)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

iron (III) oxide (Fe2O3)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

carbon monoxide (CO)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

sulfur trioxide (SO3)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

sulfur dioxide (SO2)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

copper (II) oxide (CuO)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

potassium oxide (K2O)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

zinc oxide (ZnO)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

aluminium oxide (Al2O3)

1. acidic
2. basic
3. neutral
4. can be both acidic and basic

• A compound (metal oxide or hydroxide) that reacts with an acid and an alkali to give a salt and water

Amphoteric

• A compound (metal oxide or hydroxide) that reacts with an acid and an alkali to give a salt and water

Amphoteric

Metal  and Non-metal Oxides

Topic 7. Acids, Bases, and Salts 

01 April 2024

• prepare soluble salts by the reaction of an acid with a metal, base, or carbonate (Method 1) by carefully following a detailed method
• prepare salts by titration of an acid and an alkali (Method 2) by making accurate measurements using a burette

Learning Goals

• Goal and Expected Output: a display poster, a plan for your experiment (diagram), and practical work; make a brochure of your WHOLE investigation
• Standards: investigative skills, teamwork and collaboration

• prepare soluble salts by the reaction of an acid with a metal, base, or carbonate (Method 1) by carefully following a detailed method
• prepare salts by titration of an acid and an alkali (Method 2) by making accurate measurements using a burette

Learning Goals

Guide questions (testing the salt made)

• How will you test if the salt you want is correct?
• What tests will you perform?
• How will you perform these tests?
  

DEDUCTIONS

People who will have deductions.

• Korng
• Kimchorng
• Darady
• Prasidh
• Kimsuor
• Kimmeng

Salts and their preparation

Topic 7. Acids, Bases, and Salts 

01 April 2024

Why is it sometimes called "table salt"?

• a compound formed from an acid by the replacement of hydrogen in the acid by a metal or by ammonium ions

Salts

Preparation of Salt