Chemical Bonding Activity s1

Name: ______Date: ______Period: _____

WS Ionic Bonding Activity

Introduction

When atoms bond together to form ionic compounds, they will not combine with just any other atom. For example, two atoms that will never form an ionic bond are a sodium atom (Na) and a potassium atom (K). This is because both Na1+ and K1+ are cations, or positively-charged ions. In order for two atoms to form an ionic bond, one must be a cation (+ charge) and the other must be an anion (- charge). Remember, opposite charges attract each other and similar charges repel each other. Opposite charges can bond to each other, and similar charges cannot.

In this activity, you will get some practice in learning how atoms form ionic bonds. Follow the example complete for you in #1 to complete the activity.

Activity

1.  potassium and oxygen

2.  sodium and sulfur

3.  tin(II) and nitrogen

4.  aluminum and hydroxide

5.  lead(IV) and carbonate

6.  copper(II) and chlorate

7.  ammonium and nitrate

8.  calcium and permanganate

9.  ammonium and phosphate

10.  zinc and bicarbonate

11 and 12. Make two compounds of iron and sulfate. [iron ions can typically be iron(II) or iron(III)]

13 and 14. Make two compounds of lead and nitrate. [lead ions can typically be lead(II) or lead(IV)]

15 and 16. Make two compounds of copper and hydroxide. [copper ions can typically be copper(I) or copper(II)]

Questions

1.  What was the overall net charge on each of the ionic compounds that you wrote?

2.  Consider your answers to 1-16 and the Periodic Table.

a.  Do nonmetals form anions or cations?

b.  Do metals form anions or cations?

3.  What elements (metals, metalloids, or nonmetals) combine to form ionic bonds by doing what with electrons?

______combine with ______by ______electrons to form ionic bonds.

4.  List 4 properties of ionic compounds:

______

______

______

______

5.  Write the chemical formula that results when the following elements combine to form an ionic bond.

a.  silver and selenium

b.  barium and phosphorus

BONUS: Write the chemical formula of the substance that forms when the following ions combine.

hydrogen ion and hydroxide ion

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