1) Mg --> ___ + Mg+2 a) 1e- (Oxidation) b) 2e-(Oxidation) c) 3e-(Oxidation) d) 4e-(Oxidation) 2) Zn+2 + ___ --> Zn a) 1e- b) 2e- c) 3e- d) 4e- 3) GAINING electrons is: [Li+1 + e- --> Li]   a) Redox b) Reduction c) Oxidation d) electrification 4) LOSING electrons is: [2Cl-1 --> Cl2 + 2e-] a) Redox b) Reduction c) Oxidation d) delocalized electrons 5) Br2 + _____ --> 2Br-1 a) e- (Reduction) b) 2e- (Reduction) c) 3e- (Reduction) d) 4e- (Reduction) 6) I2 + _____ --> 2I-1 a) e- (Reduction) b) 2e- (Reduction) c) 3e- (Reduction) d) 4e- (Reduction) 7) Na --> Na+1 + ____ a) e- (Oxidation) b) 2e- (Oxidation) c) 3e- (Oxidation) d) 4e- (Oxidation) 8) O2 --> 2O-2 + _____ a) e- (Oxidation) b) 2e- (Oxidation) c) 3e- (Oxidation) d) 4e- (Oxidation) 9) In a chemical equation electrons on the REACTANTS side are gained --> electrons on the PRODUCTS side are _____ a) Lost b) Gained 10) In a chemical equation electrons on the REACTANTS side are ______ --> electrons on the PRODUCTS side are Lost a) Lost b) Gained 11) Mg --> Mg+2 + 2e- is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 12) Zn --> Zn+2 + 2e- is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 13) Cl2 + 2e- --> 2Cl-1 is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 14) O2 + 4e- --> 2O-2 is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 15) Fe --> Fe+3 + 3e- is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 16) Cu --> Cu+2 + 2e- is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 17) Cu+2 + 2e- --> Cu is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 18) Zn+2 + 2e- --> Zn is an example of: a) loss of electrons (oxidation) b) gain of electrons (reduction) 19) Zn --> Zn+2 + 2e- is an example of: a) OXIDATION b) REDUCTION 20) Zn+2 + 2e- --> Zn is an example of: a) OXIDATION b) REDUCTION

REDUCTIONS & OXIDATION (REDOX)

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