Curriculum
Course: Combined Science 0653 — Chemistry
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Curriculum

Combined Science 0653 — Chemistry

1. Experimental Chemistry

0/19

2. The Particulate Nature of Matter

0/23

3. Formulae, Stoichiometry and the Mole Concept

0/17

4. Electrolysis

0/10

5. Energy from Chemicals

0/6

6. Chemical Reactions

0/21

7. Acids, Bases and Salts

0/16

8. The Periodic Table

0/19

9. Metals

0/20

10. Air and the Environment

0/11

11. Organic Chemistry

0/24
Quiz

2.5 Simple molecules and covalent bonds – Check yourself

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Simple molecules and covalent bonds Combined Science Chemistry check yourself quiz: free practice for Combined Science (chemistry). Work through this Simple molecules and covalent bonds Combined Science Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 2.5 Simple molecules and covalent bonds — Notes lesson. More practice: Combined Science (chemistry) — all units. Syllabus: Cambridge IGCSE qualifications.

  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which statement best describes VSEPR?
Which statement best describes VSEPR?
Attraction between cations and delocalised electrons.
Electron pairs repel to be as far apart as possible.
Electrostatic attraction between oppositely charged ions.
Shared pair of electrons between two atoms.
2.
Complete the statement: Water has a bond angle of ______.
Complete the statement: Water has a bond angle of ______.
Ionic bond
Hydrogen bond
Metallic bond
104.5°
3.
Which statement best describes van der Waals (id–id)?
Which statement best describes van der Waals (id–id)?
Temporary dipole forces between all molecules.
Electrostatic attraction between oppositely charged ions.
Attraction between cations and delocalised electrons.
Strong intermolecular force: H bonded to N, O or F.
4.
According to the comparison table in this lesson, what is the Example of 3?
According to the comparison table in this lesson, what is the Example of 3?
Shapes of molecules (VSEPR)
CH₄
CO₂
H₂O
BF₃
5.
Which key term matches this description: "Electrostatic attraction between oppositely charged ions."
Which key term matches this description: "Electrostatic attraction between oppositely charged ions."
Ionic bond
van der Waals (id–id)
Hydrogen bond
Metallic bond
6.
According to the comparison table in this lesson, what is the Bond angle of 3?
According to the comparison table in this lesson, what is the Bond angle of 3?
Shapes of molecules (VSEPR)
104.5°
120°
107°
90°
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Part of 2. The Particulate Nature of Matter — see every lesson and quiz in this unit.
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