Grade 7 Chemistry Worksheet: Chemical Bonding
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Free printable Science worksheet on Chemical Bonding for Grade 7. Includes questions and answer key.
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Grade 7 Chemistry Worksheet: Chemical Bonding
Subject: GeneralGrade: General
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Grade 7 Chemistry Worksheet: Chemical Bonding
Instructions: Answer all questions carefully. Read each question thoroughly and choose or write the best answer. Use complete sentences where required.
A
Chemical Bonding Basics
1.
What is a chemical bond?
[1 mark]AA force that holds atoms together in a molecule
BA type of chemical reaction
CA process where atoms are destroyed
DA mixture of elements
2.
True or False: Atoms form chemical bonds to become more stable.
[1 mark]3.
Short Answer: Name the two main types of chemical bonds.
[2 marks]4.
Fill in the blank: An ionic bond forms when electrons are _____ from one atom to another.
[1 mark]5.
Match the following types of bonds with their description:
[3 marks]1. Covalent bond
2. Ionic bond
3. Metallic bond
AElectrons are shared between atoms
BElectrons are transferred from one atom to another
CElectrons are delocalized over many metal atoms
B
Properties of Chemical Bonds
1.
Which type of bond typically forms between a metal and a non-metal?
[1 mark]ACovalent bond
BMetallic bond
CHydrogen bond
DIonic bond
2.
True or False: Covalent bonds are usually formed between two non-metal atoms.
[1 mark]3.
Calculation: If a sodium atom (Na) loses 1 electron, what is the charge of the sodium ion?
[2 marks]4.
Data Analysis: Which of the following elements is most likely to form an ionic bond with chlorine (Cl)?
[1 mark]AOxygen (O)
BNitrogen (N)
CSodium (Na)
DCarbon (C)
5.
Explanation: Why do atoms form chemical bonds?
[2 marks]C
Evaluating Chemical Bond Models
1.
Evaluate: Which type of bond is generally stronger: ionic or covalent?
[2 marks]Quick Actions
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- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet