Curriculum
Course: Alhussan Chemistry — Stage 7
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Curriculum

Alhussan Chemistry — Stage 7

Chapter 1: The Particle Model and States of Matter

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Chapter 2: Elements, Compounds and Mixtures

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Chapter 3: Metals and Non-Metals

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Chapter 4: Chemical Reactions 1

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Chapter 5: Acids and Alkalis

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Chapter 6: The Earth and Plate Tectonics

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Quiz

2.6 Compounds — Quiz

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  • Questions count: 10
  • Passing grade: B+
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1.
Which term matches this definition? “A substance with two or more types of atom chemically joined in a fixed ratio.”
Compound
Mixture
Element
Alloy
2.
How can a compound be split into its elements?
By filtering
With a magnet
Only by a chemical reaction, such as strong heating or electricity
By dissolving
3.
How many atoms are in one water molecule?
3
2
1
4
4.
True or false? Carbon monoxide is poisonous.
True
False
5.
In covalent bonding, atoms ____ electrons.
share
swap nuclei
destroy
lose
6.
True or false? The ratio of atoms in a compound can vary.
True
False
7.
Which particle diagram shows a compound?
Dr Dabour Hub Academy - figure 1
B
A
C
D
8.
Which particle diagram shows a mixture of two elements?
Dr Dabour Hub Academy - figure 2
D
A
C
B
9.
A carbon dioxide molecule has one carbon and two oxygen atoms. How many oxygen atoms are in 50 molecules?
100
25
150
50
10.
Calcium phosphate in tooth enamel is:
A mixture of three elements
A gas
A compound of calcium, phosphorus and oxygen
An element
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Part of Chapter 2: Elements, Compounds and Mixtures — see every lesson and quiz in this unit.
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