Bonding and calculations

What class are you in?

• 11X3A
• 11X3B
• 11Y3A
• 11Y3B
• Other

The table shows some properties of the particles in a solid, liquid and gas. Which row shows the properties of particles in a liquid?

• A
• B
• C
• D

Name the process that turns a gas into a liquid.

• condensation
• boiling
• sublimation
• melting

How does temperature behave during a change in state?

• Increases
• Decreases
• Stays the same
• Slightly increases followed by a sharp decrease

Which state of matter is the most dense?

• Solid
• Liquid
• Gas

Which sentence describing different types of bonding is correct?

• When two ions are attracted to one another they form a covalent bond.
• When an atom gains one or more electrons it forms a negative ion.
• Covalent bonding occurs when positive ions are held together by delocalised outer electrons.
• An ionic bond is formed when two atoms share a pair of electrons.

Identify the correct dot and cross diagram for the ionic compound magnesium oxide.

• 
• 
• 
• 

Carbon dioxide contains covalent bonds. Which of these diagrams is correct?

• 
• 
• 
• 

Which sentence explains why alloys have different properties to pure metals?

• Layers of atoms in the metal’s structure can slide over one another.
• Electrostatic attraction between the nuclei and the electrons acts throughout the structure.
• Different sized metal atoms affect the ability of the layers in the metal’s structure to slide over one another.
• Outer electrons are able to move freely throughout the giant structure.

Use the periodic table in your planner to find the relative atomic mass of carbon.

• 12
• 18
• 6
• 72