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Chemistry The central science

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Electron affinity: Cl(g) + e? Cl?(g) ?E = ?349 kJ/mol Ionization energy: Cl(g) Cl+(g ) + e? ?E = 1251 kJ/mol Substance to be an acid Disolve in water to form acidic solution or React with a base Metals Form cations in aq M M2+ + 2e? Low I1 Metals + non-metals salt (ionic compound) Metal oxides basic: Metal oxides + H20 metal hydroxide (OH-) (not all) Metal + O2 metal O2- (Ionic Solid) Acid + metal salt (aq) + H2 (g) Acid + metal OH- salt (aq/s) + H2O (l) Acid + metal O2- salt (aq/s) + H2O (l) Acid + metal HCO2-3 salt (aq/s) + CO2 (g) + H2O (l) Acid + metal HCO-2 salt (aq/s) + CO2 (g) + H2O (l) Acid + metal S2- salt (aq/s) + SO2 (g) + H2O (l) Acids + Metals Soluble Water Acid Product NiO (clear) No HNO3 (clear) Ni(NO3)2 (Green)
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