What type of forces hold an ionic lattice together?
Electrostatic forces
Covalent forces
Ionostatic forces
What properties does an ionic compound have?
A low boiling point and it conducts electricity when dissolved in water
A high melting point and it conducts electricity when liquid
A high boiling point and it conducts electricity when solid
Why do ionic compounds usually have high melting points?
The ions are arranged in a very regular pattern
The electrostatic forces between the ions are very strong
The ions are very heavy
Metal and non-metal ions come together to form a giant structure. What is the name of this structure?
Ionic bond
Ionic lattice
Ionic molecule
Which statement about simple covalent molecules is correct?
Strong bonds between atoms in molecules, but weak forces between molecules
Weak bonds between atoms in molecules, and weak forces between molecules
Weak bonds between atoms in molecules, but strong forces between molecules
Why is diamond used to coat metal drill bits?
It is a good conductor of electricity
It is slippery and cheap
It is very hard with a high melting point
What is the shape of a nanotube?
Cylinder
Sphere
Flat sheet
Which of these describes the arrangement of particles in a metal?
Closely packed electrons with delocalised ions
Alternating layers of metal ions and electrons
Layers of metal ions surrounded by delocalised electrons
What does a metallic bond consist of?
Forces between metal ions and delocalised electrons
Pairs of metal atoms joined together by strong bonds
Forces between oppositely charged metal ions
Why are most metals ductile?
Because the metal ions are arranged in layers
Because the metal ions are closely packed
Because the metal can conduct electricity