chemistry unit 1 0.0 / 5HideShow resource informationChemistryUnit 1ASAQACreated by: LucilleCreated on: 25-03-14 15:53 3671254 Across 1. what macromolecule is a giant structure with a 109.5° bond angle that has a high melting point? (7) 4. what does the ionisation energy do across a period (increase or decrease) (8) 5. what do melting points do from Na to Al (increase or decrease) (8) Down 2. what does the atomic radii do as you go down a group? (increase or decrease) (8) 3. full name for Ar (8, 6, 4) 6. an allotrope of carbon, arranged in layers, with a bond angle of 120° (8) 7. bonds between a non-metal and non-metal with a low melting and boiling point (8)
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