Intermolecular Forces & Physical Properties Branching The larger the surface area of a molecule, the more contact it will have with adjacent molecules The surface area of a molecule is?r...
始于2005年，國際名校廣泛認可 全美Top10杜克大學支持舉辦 USMCA全美數學挑戰(zhàn)聯(lián)盟成員之一 杜克大學 青少年大會 DMMC報名后動 強調數學思維，激發(fā)興趣探索 證明數學進階能力 鍛煉快速反應、靈活性及團隊協(xié)作能力 ...
Hydrogen Bonding Interactions Examples of compounds that can form hydrogen bonds are: Alcohols (contains an O-H bond) Ammonia (contains an N-H bond) Amines (contains an N-H bond) Carboxylic ...
Intermolecular Forces Intramolecular forces Intramolecular forces?are forces?within?a molecule and are usually covalent bonds Covalent bonds?are formed when the outer electrons of two atoms ...
Defining Electronegativity Electronegativity?is the power of an atom to attract the pair of electrons in a covalent bond towards itself The electron distribution in a covalent bond between e...
Electron Pair Repulsion & Shape The?valence shell electron pair repulsion theory?(VSEPR) predicts the shape and bond angles of molecules Electrons are?negatively charged?and will repel o...
Bond Length & Bond Strength Bond energy The?bond energy?is the energy required to?break?one mole of a particular covalent bond in the gaseous states Bond energy has units of kJ mol-1 &nb...
Covalent Dot-and-Cross Diagrams Covalent compounds The atoms in covalent compounds will?share?their outer valence electrons to achieve a?noble gas?configuration Dot-and-cross diagrams of cov...
Covalent Bonding Covalent?bonding occurs between two?non-metals A covalent bond involves the?electrostatic?attraction?between nuclei of two atoms and the bonding electrons of their outer she...
