Science

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Compounds

Define a compound, write compound formulae and name compounds based on the atoms they contain.

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Unit quizzes are being retired in August 2023

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Atoms are the _______ unit of matter.

1/6

Q2.A one or two letter representation of an element is known as its chemical .

Fill in the blank.

2/6

Q3.Two or more atoms bonded together is known as a .

Fill in the blank.

3/6

Q4.Match the elements to their chemical symbols.
  • oxygen
  • hydrogen
  • carbon
  • fluorine
  • C
  • O
  • F
  • H

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Starting with lithium, put these elements in the correct order going down Group 1.
  • rubidium
  • francium
  • sodium
  • caesium
  • lithium
  • potassium

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

5/6

Q6.The chemical formula for water is …

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Atoms are the _______ unit of matter.

1/6

Q2.A one or two letter representation of an element is known as its chemical .

Fill in the blank.

2/6

Q3.Two or more atoms bonded together is known as a .

Fill in the blank.

3/6

Q4.Match the elements to their chemical symbols.
  • oxygen
  • hydrogen
  • carbon
  • fluorine
  • F
  • C
  • H
  • O

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Starting with lithium, put these elements in the correct order going down Group 1.
  • sodium
  • caesium
  • francium
  • potassium
  • rubidium
  • lithium

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

5/6

Q6.The chemical formula for water is …

6/6

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Atoms

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Match each keyword to its definition.
  • element
  • molecule
  • compound
  • mixture
  • Two or more elements not bonded together.
  • A substance containing one type of atom.
  • Two or more atoms bonded together.
  • Two or more different elements bonded together.

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

1/6

Q2.A chemical compound contains elements in ________ proportions.

2/6

Q3.The properties of compounds are _______ the properties of the elements they are made from.

3/6

Q4.What is the correct formula for magnesium sulfate?

4/6

Q5.Which two are rules used for writing chemical formulae?

Select two (2) boxes

5/6

Q6.Name the compound that contains one sulfur atom and two oxygen atoms.

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Atoms

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Match each keyword to its definition.
  • element
  • molecule
  • compound
  • mixture
  • Two or more elements not bonded together.
  • Two or more different elements bonded together.
  • Two or more atoms bonded together.
  • A substance containing one type of atom.

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

1/6

Q2.A chemical compound contains elements in ________ proportions.

2/6

Q3.The properties of compounds are _______ the properties of the elements they are made from.

3/6

Q4.What is the correct formula for magnesium sulfate?

4/6

Q5.Which two are rules used for writing chemical formulae?

Select two (2) boxes

5/6

Q6.Name the compound that contains one sulfur atom and two oxygen atoms.

6/6

Lesson summary: Compounds

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Atoms and the periodic table
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Chemical reactions

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