Slide 1Elements 41- 50 Slide 2 Periodic Table Slide 3 Slide 4 Niobium Slide 5 Slide 6 Niobium atom Slide 7 Slide 8 Niobium Earring Slide 9 Slide 10 Molybdenum Slide 11 Slide…
Slide 1 Coal Liquefaction Slide 2 Coal Combustible black or brownish sediment rock Layer and layer of dead plant remain annually Largest source of energy for electricity…