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