chemistry unit 1 0.0 / 5 ? ChemistryUnit 1ASAQA Created by: LucilleCreated on: 25-03-14 15:53 4275136 Across 1. full name for Ar (8, 6, 4) 4. what does the ionisation energy do across a period (increase or decrease) (8) 6. what macromolecule is a giant structure with a 109.5° bond angle that has a high melting point? (7) Down 2. bonds between a non-metal and non-metal with a low melting and boiling point (8) 3. what do melting points do from Na to Al (increase or decrease) (8) 5. an allotrope of carbon, arranged in layers, with a bond angle of 120° (8) 7. what does the atomic radii do as you go down a group? (increase or decrease) (8)
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