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Course: Edexcel Igcse Chemistry Modular — UNIT 2
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Edexcel Igcse Chemistry Modular — UNIT 2

Unit 2 · Bonding & Electrolysis

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Unit 2 · Inorganic Chemistry

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Unit 2 · Physical Chemistry

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Unit 2 · Organic Chemistry

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Quiz

Covalent bonding – Check yourself

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Covalent bonding Edexcel O Level Modular Chemistry check yourself quiz: free practice for Edexcel Modular – OL (chemistry). Work through this Covalent bonding Edexcel O Level Modular Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 1g Covalent bonding — Notes lesson. More practice: Edexcel Modular – OL (chemistry) — all units. Syllabus: Pearson Edexcel International GCSEs.

  • Questions count: 8
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A covalent bond is:
a transfer of electrons
a shared pair of electrons
attraction between ions
a sea of electrons
2.
How many lone pairs are on the oxygen atom in water?
0
1
3
2
3.
Which molecule contains a triple bond?
N2
O2
Cl2
CH4
4.
Why does chlorine have a low boiling point?
Weak covalent bonds
Weak intermolecular forces
It has ions
It is giant covalent
5.
Why does graphite conduct electricity?
It has free ions
It is a metal
Each carbon has a delocalised electron
Its layers slide
6.
Which is a giant covalent substance?
Silicon dioxide
Carbon dioxide
Water
Methane
7.
Which statement best describes Intermolecular forces?
Weak forces of attraction between separate molecules.
Electrons not tied to one atom or bond that can move through a structure.
Small molecules held together by weak intermolecular forces.
A huge network of atoms all joined by strong covalent bonds.
8.
Which statement best describes Molecule?
A group of atoms held together by covalent bonds.
Weak forces of attraction between separate molecules.
A huge network of atoms all joined by strong covalent bonds.
A strong bond formed when a pair of electrons is shared between two atoms.
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Part of Unit 2 · Bonding & Electrolysis — see every lesson and quiz in this unit.
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