Pearson edexcel asa lev - Study guides, Class notes & Summaries

PEARSON EDEXCEL ASA-LEVEL BIOLOGY EXAM WITH QUESTIONS AND WELL VERIFIED ANSWERS[GRADED A+] Topic 1 A Ionic bonding Bonding between a metal and a non-metal Anion A negatively charged ion Cation A positively charged ion Ionic bonds A chemical bond resulting from the attraction between oppositely charged ions. Covalent bonding Bonding between 2 non-metals Dipole A molecule that has two poles, or regions, with opposite charges What is the importance of water? - Polar solvent: ca...