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WorksheetsProperties and Characteristics of Metals
Total questions: 11
Worksheet time: 13mins
Metals consist of:
Neutral atoms only
Negative ions
Molecules
Positive ions and delocalised electrons
Metallic bonding is:
Sharing electrons
Transferring electrons
Attraction between molecules
Attraction between positive ions and delocalised electrons
Metals conduct electricity because:
Atoms move
Bonds break
Ions vibrate
Delocalised electrons can move
Metals are malleable because layers of (a) can slide.
Delocalised electrons are (a) to move throughout the structure.
Explain why metals are good conductors of electricity.
Explain why metals are malleable and ductile.
Explain why metals usually have high melting points.
Which property of metals is explained by the presence of delocalised electrons?
Brittleness
Electrical conductivity
Low melting point
Poor heat conduction
What holds the positive ions together in a metallic structure?
Electrostatic attraction with delocalised electrons
Van der Waals forces
Hydrogen bonds
Covalent bonds
Which of the following best describes the arrangement of particles in a metal?
Positive ions in a sea of delocalised electrons
Atoms held by hydrogen bonds
Discrete molecules
Negative ions surrounded by electrons
