1. Metals are made up of closely packed ________________________.
2. Label the nuclei of the metal atoms and label the electrons in the picture below that shows the “sea of
electrons” model for metallic bonding.
3.
4.
5.
6.
7.
In the “sea of electrons” model, what are the “islands”?
Which particles are free flowing, like water in the ocean?
Why are these particles free flowing?
Why are metals good conductors of electricity?
What does the term ductile mean? What does the
term malleable mean?
8. Why are metals ductile and malleable? Explain.
9. Metal atoms are arranged in very ___________________ and ________________ patterns
10. Complete the chart below summarizing how metal atoms are arranged.
Drawing of
crystalline
structure
Body Centered Cubic
Face Centered Cubic
Hexagonal Close - packed
Explain how the
atoms are
arranged
11. What is an alloy? Explain.
12. Why are alloys often better materials for building things than pure metals?
13. Fill in the chart below showing the composition of some important alloys.
Alloy
Composition
Describe 2
uses for this
alloy
Sterling Silver
Bronze
Stainless Steel
Cast Iron