� IONIC AND COVALENT BONDING WORKSHEET
Name: _____________________________ Date: ________________
� Part 1: Key Terms
Match the term to its correct definition:
1. Ion
2. Ionic Bond
3. Covalent Bond
4. Molecule
Your answers:
A. A bond formed by sharing electrons
B. A particle with a positive or negative
charge
C. A bond formed by the transfer of
electrons
D. A group of atoms bonded together
1: _____ 2: _____ 3: _____ 4: _____
⚛️ Part 2: Understanding the Bonds
1. Ionic bonding happens between a ______________ and a ______________.
2. Covalent bonding happens between two ______________.
3. In an ionic bond, electrons are ______________ from one atom to another.
4. In a covalent bond, electrons are ______________ between atoms.
� Part 3: Identify the Bond Type
Write “Ionic” or “Covalent” for each compound:
Compound
NaCl (salt)
H₂O (water)
CO₂
MgO
CH₄ (methane)
CaCl₂
Type of Bond
� Part 4: Bonding Diagrams
1. Sodium (Na) and Chlorine (Cl)
Draw an ionic bond, showing transfer of one electron.
(Use circles for atoms and arrows/dots for electrons.)
2. Hydrogen (H) and Oxygen (O)
Draw a covalent bond for a water molecule (H₂O), showing shared electrons.
� Part 5: Thinking Questions
1. Why do atoms form bonds?
___________________________________________________________________________
___________________________________________________________________________
2. What happens to electrons in an ionic bond?
___________________________________________________________________________
___________________________________________________________________________
3. Why don’t covalent compounds conduct electricity?
___________________________________________________________________________
___________________________________________________________________________