PeriodicProperties

of the Elements

Equations

associated with periodic trends

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations• Metal + acid salt + hydrogen gas• Active metal (Grps I & 2) + water metal

hydroxide + hydrogen gas• Metal oxide + acid salt + water• Nonmetal oxide + base salt + water• Metal oxide + water base• Metal + nonmetal salt• Nonmetal oxide + water acid

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations

• Metal + acid salt + hydrogen gas

Zn + HCl(aq) ZnCl2(aq) + H2(g)

Don’t forget to balance…

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations

• Active metal (Grps I & 2) + water metal hydroxide + hydrogen gas

Na(s) + H2O(l) NaOH(aq) + H2(g)

Don’t forget to balance…

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations

• Metal oxide + acid salt + water

Sc2O3(s) + HNO3(aq) Sc(NO3)3(aq) + H2O(l)

Let’s balance this one together

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations

• Nonmetal oxide + base salt + water

CO2(g) + NaOH(aq) Na2CO3(aq) + H2O(l)

Balance…

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations

• Metal oxide + water base

BaO(s) + H2O(l) Ba(OH)2(aq)

Balance…

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations

• Metal + nonmetal salt

Zn(s) + Cl2(g) ZnCl2(s)

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Equations

• Nonmetal oxide + water acid

CO2(g) + H2O(l) H2CO3(aq)

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Your turn1. A strip of magnesium metal is heated with nitrogen

gas.

2. A strip of iron is dropped into a solution of sulfuric acid.

3. Phosphorus(V) oxide is sprinkled over distilled water.

4. Magnesium oxide is stirred into distilled water.

5. A small piece of calcium is dropped into distilled water.

6. Sulfur dioxide is bubbled through a solution of potassium hydroxide.

7. Magnesium oxide is bubbled through a solution of hydrobromic acid.

© 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Your turn1. A strip of magnesium metal is heated with nitrogen

gas.

3 Mg + N2 Mg3N2

2. A strip of iron is dropped into a solution of sulfuric acid.

3. Phosphorus(V) oxide is sprinkled over distilled water.

4. Magnesium oxide is stirred into distilled water.

5. A small piece of calcium is dropped into distilled water.

6. Sulfur dioxide is bubbled through a solution of potassium hydroxide.

7. Magnesium oxide is bubbled through a solution of hydrobromic acid. © 2009, Prentice-Hall, Inc.

PeriodicProperties

of the Elements

Your turn1. A strip of magnesium metal is heated with nitrogen

gas.

2. A strip of iron is dropped into a solution of sulfuric acid.

3. Phosphorus(V) oxide is sprinkled over distilled water.

4. Magnesium oxide is stirred into distilled water.

5. A small piece of calcium is dropped into distilled water.

6. Sulfur dioxide is bubbled through a solution of potassium hydroxide.

7. Magnesium oxide is bubbled through a solution of hydrobromic acid.

© 2009, Prentice-Hall, Inc.