Unit 1 Keywords

Across

• 1. Amount of any substance containing as many particles as there are carbon atoms in exactly 12g of carbon-12 isotope (4)
• 3. Species that is a proton donor (4)
• 4. Any chemical compound formed from an acid, whose protons have been replaced by metal or ammonium ions (4)
• 5. Type of base dissolved in water forming OH⁻ ions (6)
• 7. Molar relationship between relative quantities of substances taking part in a reaction (13)
• 8. Mass per mole of a substance (g mol⁻¹) (5, 4)