Chemical Families.

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Presentation transcript:

Chemical Families

Alkali Metals Elements in this family: Location: Group 1A (Column 1) Physical Properties: Soft enough to be cut with a knife, Low melting point

Alkali Metals Valence Electrons: 1 Charge Formed: +1 Reactivity: Highly reactive especially with water

Alkaline Earth Metals Elements in this family: Location: Group 2A (Column 2) Physical Properties: Harder than alkali metals, Good conductors

Alkaline Earth Metals Valence Electrons: 2 Charge Formed: +2 Reactivity: Somewhat reactive

Transition Metals Elements in this family: Location: D sublevel (Column 3-12) Physical Properties: High Melting/Boiling points, Dense, Shiny, Lustrous

Transition Metals Valence Electrons: “Multivalent” Charge Formed: Various Positive Reactivity: Relatively unreactive

Halogens Elements in this family: Location: Group 7A (Column 17) Physical Properties: Contains elements in all different states of matter

Halogens Valence Electrons: 7 Charge Formed: -1 Reactivity: Highly reactive Why are the halogens so reactive?

Noble Gases Elements in this family: Location: Group 8A (Column 18) Physical Properties: Odorless, colorless gases at room temperature

Noble Gases Valence Electrons: 8 Charge Formed: 0 Reactivity: Unreactive