CHEM-UA 109 Lecture Notes - Lecture 2: Nonmetal, Bromine, Covalent Bond
30 Aug 2016
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Document Summary
Covalent bonding- chemical bond involving the sharing of electrons between two nonmetal atoms. Molecule- a covalently bonded substance (can be atoms of the same element) Diatomic elements-when two atoms of the same element bond together (o2,h2, etc. ) Yes (electrons are below) separated) mobile, can carry. Yes (ions separated) yes (same as above) charge) High (strong bond gasses or liquids at room temperature) between atom, solid. No (i don"t really has similar separate when know, to be honest) molecular polarity) dissolved in water) Formal charge- charge of either a molecule, or atom in a molecule, assuming that electrons in a chemical bond are shared equally between atoms, regardless of relative electronegativity. Formula: formal charge = (# of valence electrons of the atom)-(# of non-bonding valence electrons+# of bonds) Polar molecule- a covalent molecule where electrons are unevenly shared because of differing electronegativites, also it is an assymetrical molecule.
