Grade 9 Chemistry: Chemical Bonding
This worksheet covers fundamental concepts of chemical bonding, including ionic, covalent, and metallic bonds, suitable for Grade 9 science students.
Includes
Standards
Topics
Chemical Bonding Fundamentals
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which type of bond involves the transfer of electrons between atoms?
Covalent bond
Ionic bond
Metallic bond
Hydrogen bond
2. Which of the following elements would most likely form an ionic bond with chlorine (Cl)?
Carbon (C)
Oxygen (O)
Sodium (Na)
Nitrogen (N)
3. In a covalent bond, electrons are between atoms.
4. Metals typically form bonds, characterized by a 'sea' of delocalized electrons.
5. The octet rule states that atoms tend to gain, lose, or share electrons in order to achieve eight electrons in their shell.
6. Ionic compounds generally have low melting and boiling points.
True
False
7. A double bond consists of four shared electrons.
True
False
8. Briefly explain the main difference between an ionic bond and a covalent bond.
9. Describe the properties of a substance that would suggest it is held together by metallic bonds.
Match the term on the left with its definition on the right.
10. Cation
a. An atom that has gained electrons and has a negative charge
11. Anion
b. The force of attraction between oppositely charged ions
12. Electrostatic attraction
c. An atom that has lost electrons and has a positive charge
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