METALLOIDS: C Si (Non-Metals); Ge Sn Pb (Poor Metals)

Question 1

Description: Carbon (C)

Answer 1

1. Hard Diamond
2. Soft Graphite

Question 2

Uses and Occurrences: Carbon (C)

Answer 2

1. Animals
2. Basis of Life’s Organic Molecules
3. Carbon Dioxide (CO2)
4. Cloth
5. Coal
6. Oil
7. Paper
8. Plants
9. Plastic
10. Wood

Question 3

Description: Silicon (Si)

Answer 3

Hard Metalloid

Question 4

Uses and Occurrences: Silicon (Si)

Answer 4

1. Clay
2. Ceramics
3. Glass
4. Granite
5. Sand
6. Semiconductor
7. Soil

8. Algae
9. Computer Chips
10. Diatoms
11. Quartz
12. Silicone Rubber

Question 5

Description: Germanium (Ge)

Answer 5

Brittle Metalloid

Question 6

Uses and Occurrences: Germanium (Ge)

Answer 6

1. Diodes
2. Photocells
3. Semiconductors

4. Infrared Windows
5. Lenses
6. Rectifiers
7. Transistors

Question 7

Description: Tin (Sn)

Answer 7

Non-corroding Soft Metal

Question 8

Uses and Occurrences: Tin (Sn)

Answer 8

1. Solders

2. Bronze (Alloy made by mixing Copper (Cu) and Tin (Sn) ; Cu-Sn)
3. Fire Sprinklers
4. Glassmaking
5. Pewter Cups
6. Plated Food Cans

Question 9

Description: Lead (Pb)

Answer 9

1. Soft
2. Toxic

3. Dense
4. Non-corroding Metal

Question 10

Uses and Occurrences: Lead (Pb)

Answer 10

1. Batteries
2. Solders

3. Bullets
4. Crystal Glass
5. Old Plumbing
6. Radiation Shield
7. Weights