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