1. Definit

Apuntes

•[definition of Octet Rule] Atoms gain, lose, or share electrons to have 8 electrons in their outer shell. •[examples of ions as electrolytes] Sodium, Potassium, Calcium. •[main types of covalent bonds] Single bonds, double bonds, and triple bonds. •[properties of hydrogen bonds] • Weaker than covalent bonds but stronger than Van der Waals forces. • Responsible for water’s high boiling point, cohesion, and surface tension. •[examples of covalent bonds] • H₂O • CO₂ •[difference between an Anion and a Cation] Cation: an ion with a positive charge (loses electrons). Anion: an ion with a negative charge (gains electrons). •[bond giving DNA its properties] Hydrogen bonds. •[bond capable of forming crystals] Ionic bonds. •[definition of a Molecule] A group of two or more atoms chemically bonded. •[definition of Ionic Bonds] Bonds formed between ions with opposite charges. •[definition of Valence Shell] The outermost electron shell of an atom. •[definition of Electron Transfer] The process where one atom loses an electron and another gains it. •[definition of Biomolecules] Organic molecules essential for life. •[examples of Biomolecules (main 4)] • Carbohydrates...