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