130 likes | 519 Views
Metals. Learning Objectives. Summarize the properties of metals. Describe how metals are classified in the periodic table. Recycling Metals. In 2006, the supply of metal in the United States was more than 150 million metric tons. Metals. Many of the objects around you contain metals.
E N D
Learning Objectives • Summarize the properties of metals. • Describe how metals are classified in the periodic table.
Recycling Metals In 2006, the supply of metal in the United States was more than 150 million metric tons.
Metals Many of the objects around you contain metals.
Physical Properties of Metals ductility malleability magnetism electrical conductivity luster Copper ductility, electrical conductivity Magnetite magnetism Gold luster, malleability
Chemical Properties of Metals • This iron chain has been exposed to air and water. It has . rusted • The forks below are made of silver. Some of these forks have lost their luster and have become tarnished. This is an example of . corrosion
Alkali and Alkaline Earth Metals Compounds containing potassium are used in fireworks. Alkali metals Calcium compounds are an essential part of teeth and bones. Alkaline earth metals
Transition Metals 1. In which group do the most reactive metals belong? Alkali metals 2. Which group contains a metal essential for good bone health? Alkaline earth metals (calcium) 3. In which category of metals is the only room-temperature liquid metal found? Transition metals (mercury)
Metals in Mixed Groups Aluminum bicycle frame
Lanthanides and Actinides Two rows of elements are placed below the main part of the periodic table—lanthanides and actinides.
Transuranium Elements Elements that follow uranium in the periodic table are called transuranium elements.
Metals Overview Metals in mixed groups Transition metals Alkali metals Alkaline earth metals Lanthanides and actinides