Transition Metals Meatllurgy

Question 1

Scandium

Answer 1

• common oxidation state +3
  colorless and diamagnetic
  lamps, alloys (bats, bikes), dentistry lasers
• similar to Al, Y, and lanthanides

Question 2

Yttrium (Y)

Answer 2

• named after Ytterby, Sweden as are Er, Yb, and Tb

Question 3

Titanium

Answer 3

• low denstiy
• similar to C and Si
• +3 and +4 Ox States
• highest strength-to-weight ratio
• tends to lose all its electrons
• white paper, aircraft, artificial bones/joints, jewlry, catalyst or plastics

Question 4

Vanadium

Answer 4

-V2O5 is catayst in sulfuric acid
- strong and tough steels (hard)
- +5 (common ox State): +2-+5 (can vary)
- engine parts, axels, sulfuric acid production

Question 5

Chromium

Answer 5

• corrosion resistant
  -coats/plate weapons or other things
• toxic and carcinogenic
• +2,+3, and +6 = common ox states

Question 6

Tungsten (W)

Answer 6

• only 3rd row element found in biomolecules
• high density and mp
  -very strong/hard compound
• drills, armory, abrasive , light bulbs (tungsten carbide)

Question 7

Manganese (Mn)

Answer 7

• wide range of ox states: +2-+7
• batteries, catalyst (MnO2), biological trace element, found in dry cell

Question 8

Technetium (Tc)

Answer 8

• radioactive
  smallest element that has no stable isotope

Question 9

Iron

Answer 9

• 4.7% abundance
  -most common element on earth (forms inner and outer core)
• forms metal carbonyl (M-CO)
• +2 and +3 = common ox states
• steels, alloys, heme

Question 10

Cobalt

Answer 10

• “goblin”
• many colors
• forms metal carbonyl (M-CO)
• +2 and +3 = common ox states
• Li-ion batteries, catalyst, vitamin B12

Question 11

Nickle

Answer 11

• corrosion resistant
• Ni-48 = double magic = extremely stable
• metal carbonyl (M-CO)
• +2 = common ox states
• coinage , NiCad batteries

Question 12

Platinum

Answer 12

• least reactive silver but excellent catalyst
• +2 and +4 = common ox states
• catalyst, catalytic converter, jewelry

Question 13

Copper (coinage Metal)

Answer 13

• broze = alloy of Cu and Sn
• brass = alloy of Cu and Zn
• corrosion -resistant and durable
  +1 and +2 = common ox states
• naturally blue color
• high conductivity
• batteries, biomolecules, plating, wires, motors, architecture

Question 14

Silver (coinage metal)

Answer 14

• ox satate: +1
• jewlery, tableware, utensils, disinfectants

Question 15

Gold (coinage metal)

Answer 15

• doe snot oxidize in air or water
• most malleable of all metals
  -jewlery, coinage, dentistry, wiring, electronics

Question 16

Zinc

Answer 16

+2 = common ox state
-similar chemistry as Mg
-corrosion resistant, hard, brittle, diamagnetic, reducing agent
- galvanizing, batteries, deodorants (galvanizes with iron = sacraficial anode) D10 = colorless =diamagnetic

Question 17

Mercury

Answer 17

• “quicksilver”
• only metal that is liquid at STP
• common ox state: +1 and +2
  thermometers, baromenters, dental filling

Question 18

Lanthanides

Answer 18

• similar chemistry to Sc and Y
  +3 = common ox state. _2 and +4 are possible
• low toxicity
• catalytic converter, lasers, magnets

Question 19

Metallurgy

Answer 19

process of refining metal ore to the pure metal for industrial use and applications

Question 20

Pig iron

Answer 20

result of putting iron ore in a blast furnance
- ex: steel