Groups on the Periodic Table

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Presentation transcript:

Groups on the Periodic Table Back of page 17 and page 18

Alkali Metals Group number – 1 Properties- Examples- Reactivity- Valence Electrons- Uses- Soft, tarnish rapidly, low melting point, low density, violently react, silver, conductors Lithium, sodium, potassium, rubidium, cesium, francium React violently, very reactive 1 Aircrafts, salt, batteries, explosives

Alkaline Metals Group number – 2 Properties- Examples- Reactivity- Valence Electrons- Uses- Solid Calcium, magnesium, Very reactive metals 2 Bones, teeth, light weight metals for bikes/airplanes

Halogens Group number – 17 Properties- Examples- Reactivity- Valence Electrons- Uses- Non metal Diatomic – Cl2, Br2 Helium, argon, neon, xenon, krypton Very reactive non metals 7 Used to kill bacteria/germs

Noble Gases Group number – 18 Properties- Examples- Reactivity- Valence Electrons- Uses- Gases, non metals Helium, argon, neon, xenon, krypton Not reactive 8 Balloons, lights

Transition Metals Group number – 3-12 Properties- Examples- Reactivity- Valence Electrons- Uses- Great conductors, high melting point, hard Copper, silver, gold, titanium Less reactive than most metals 1,2 Coins, jewelry

1 e 8e 2e 3e 4 e 5e 6e 7e

How many electrons in the outside shell? Which group is this element found in? This is a Bohr model of what element? Group 17 - Halogens Which elements have things in common with this element? Iodine, Bromine, flourine