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