chemistry unit 1

Down

• 2. what does the atomic radii do as you go down a group? (increase or decrease) (8)
• 3. an allotrope of carbon, arranged in layers, with a bond angle of 120° (8)
• 5. what macromolecule is a giant structure with a 109.5° bond angle that has a high melting point? (7)
• 6. full name for Ar (8, 6, 4)
• 7. bonds between a non-metal and non-metal with a low melting and boiling point (8)