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Molecular Structure Exploration
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Molecular Structure Exploration
📚 Part 1: Multiple Choice
WALT: recognise basic molecular terms and bonding types.
1. What is a molecule?
A single atomA group of atoms bonded togetherA mixture of different elementsA charged particle
2. Which type of bond involves sharing electrons?
IonicCovalentMetallicVan der Waals
3. Which molecule is linear in shape?
H₂O (water)CO₂ (carbon dioxide)CH₄ (methane)NH₃ (ammonia)
4. Which statement best describes electrons in atoms?
Electrons are in the nucleusElectrons orbit around the nucleus and influence bondingElectrons are the same for all elementsElectrons only affect mass, not chemical behaviour
✏️ Part 2: Short Answers & Activity
WALT: draw simple molecular structures and explain bonding differences.
5. Draw the Lewis structure for a water molecule (H₂O). Label the lone pairs and the bond angles.
6. In one or two sentences, explain the main difference between ionic and covalent bonds.
7. Match each element with its symbol or common atomic number.
A. Oxygen
B. Carbon
C. Sodium
1. Na (11)
2. C (6)
3. O (8)
8. Extension for advanced learners: Suggest one real-world application where understanding molecular shape is important and briefly explain why.
📘 Teacher Notes: Differentiation & Extension
WALT (overall): develop understanding of molecular structure, bonding and shape.
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