Summary BTEC applied science/forensics unit 1 Chemistry: bonds
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Course
Unit 1 - Principles and Applications of Science I
Institution
PEARSON (PEARSON)
These notes include diagrams I made myself in biorender, in depth explanations on all relevant bond types and illustrated notes on giant structures. I think you will find these very helpful
Bonds
Ionic bonding
Ionic bond - Electrostatic attraction between oppositely charged ions
● Formed between metals and non-metals
● Very strong
● Non-metals always gain electrons
● Metals always lose electrons
● Metal - A substance that will lose an electron
● Groups 1-3 lose electrons
● Groups 5-7 gain electrons
● Be,B,C and Si don’t normally form ions
○ Too much energy is required
Ionic lattices and crystals
● The lattice structure means the compound formed a crystal
● All ionic compounds form a lattice when solid
Giant ionic lattice - A 3D structure of oppositely charged ions held together by strong ionic
bonds
Properties of ionic compounds
● Solid at room temperature
● High melting and boiling points
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