1. Unit 3 – Lesson 2
Periodic Table

2. Transition Metals (d subshells)
Most common metals, found in nature often
Can have multiple ion charges (Cu +1 or Cu +2, etc)
Relatively non-reactive
These have high densities, high melting points, and are relatively stable.
CHROMIUM (CHROME)
Found in Russia, Phillippians, and South Africa
Very corrosion resistant (used in stainless steel)
Comes in a variety of colors. (green, red, yellow)
IRON
Smelting of iron lead to the iron age
Alloyed for strength, durability, and corrosion resistance (carbon is added to make steel)
Most common element on the earth, although most is found in the core.
COPPER
Found free in nature
Turn green when it corrodes (patina)
Brass and bronze are made from it.
SILVER
Soft, ductile, very conductive, tanishes around sulfur
Used in: photography, coinage, and jewelery.
GOLD
Very ductile, soft (24 carat can be scratched with your fingernail)
Alloyed for use in jewelry (with silver for yellow gold, with nickel for white gold)
Iron Cereal Demo
See attached

3. Inner Transition Metals (f subshells) Rare-Earth Elements
Lanthanide Series
Actinide Series
Many are radioactive
LANTHANIDE SERIES
Very radioactive, thus, can’t be used for building materials.
Properties are very similar so they are difficult to separate from each other
Used in steel alloys and color TV
ACTINIDE SERIES
All radioactive
Only U & Th are found in any quantity in nature
Uranium is used to fuel nuclear power plants

4. Post Transition Metals
P- block metals
Ga, In, Sn, Tl, Pb, Bi, Po

6. Label the Table Alkali Metals Alkaline earth Metals Transition Metals
No # 4
Inner Transition Metals
Oxygen Family
Halogens
Noble Gases
Hydrogen