Warm+up+questions

Chapter 6 Short Answer 1.

Why do most atoms form chemical bonds?

2.

Explain why scientists use resonance structures to represent some molecules.

3.

Explain what is meant by the lattice energy of BeF2.

Problem 4.

Draw a Lewis structure for the ammonium ion, NH4+.

5.

Draw a Lewis structure for the sulfate ion, SO42–.

6.

Draw a Lewis structure for the phosphate ion, PO43–.

7.

Draw a Lewis structure for the oxalate ion, C2O42–.

8.

Draw a Lewis structure for the nitrate ion, NO3–.

Essay 9.

List the six basic steps used in drawing Lewis structures.