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Metals
By- Juliet, Suki, Vartan and Gena
What is a metal?
- A metal is a material that, when freshly prepared, polished or fractured, shows a shiny appearance and conducts electrically and heat
- Metals are typically malleable or ductile
- Metals have many physical properties, high density, and high melting point
- And being good conductors for electricity and heat are just a few
What is metal
Chemical Properties
- Toxicity
- Coordination number
- Flammability
- Enthalpy and formation
- Heat and conbustion
- Oxidation states
- chemical stability
Chemical Properties
What is an alloy?
- An alloy is made by combining two or more metallic elements, especially to make stronger and give more resistance
What is an
alloy?
Alkali Metals
- These metals are never alone because if they were they would explode, they are never found as elements but in compounds
- They are in group 1 of the Periodic Table of Elements from lithium to francium
- The 2 most important metals are are sodium and potassium
- They are essential for life and good for the body
- The alkali metals are usually soft or shiny, for example a banana
Alkali
Metals
Alkali Earth Metals
- There are six chemical elements of these metals
- They are beryllium, magnesium, calcium, strontium, barium, and radium
- They are shiny and silvery white and sometimes reactive metals
Alkali Earth
Metals
Transition Metals
- Transition metals form a bridge between reactive metals on the left of the PTOE and the less reactive on the other side of the table
- These types of metals are very similar to each other and to find differences is very rare
- They include iron, copper, nickel, silver and gold, so most of them are hard and shiny
- They can even be used to make colorful paints
Transition
Metals
Metals in Mixed Groups
- 13-16 of the groups in The Periodic Table of Elements are metals, nonmetals, and metalloids
- The metals on the right side of the table are not as reactive of the metals on the left side
- Most familiar metals are aluminum, tin and lead
- Aluminum is for planes
- Lead is used in paints and used to be in water pipes, but its poisonous so its not used anymore
Metals in Mixed Groups
Lanthanides and Actinides
- Lanthanides and actinides are elements on the bottom sides of the periodic table
- Also known as the rare earth elements
- Lanthanides are 57-71
- Actinides are 89-103
- Lanthanides are soft, usable and shiny
- Lanthanides are hard to break apart, and they are always together because of their similar properties
Lanthanides
and
Actinides
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