Relier Pairs Microbiology chapter 2 Version en ligne Chemitstry types of chemical bonds and molecules par misael Lopez 1 Compound 2 Ionic bond 3 Van der Waals forces 4 Anions 5 Hydrogen bonds 6 Ions 7 Covalent bond 8 nonpolar covalent bond 9 Polar covalent bond 10 Cations 11 Molecules - Negatively charged ions - Gain of electron(s) linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound - Weakest of intermolecular forces - Dependent on interatomic distance - Equal sharing of electrons - electrons are equally distributed -Electrically charged atoms, molecules, particles. ~ + or - due to electron loss or gain Redox reactions - Positively charged ions - Loss of electron(s) - Result from a sharing of electrons - usually the strongest chemical bonds - Two or more atoms linked by chemical bonds formed by their valence electrons. - Unequal sharing of electrons - Somewhat weaker bond than its counterpart. - Two or more different elements joined together chemically - Weak chemical bonds - Always involves a hydrogen atom (+) attracted to an oxygen (-) or nitrogen (-)