The Periodic Table Breakdown This week’s objective: Interpret the arrangement of the Periodic Table, including groups and periods, to explain how properties.

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Presentation transcript:

The Periodic Table Breakdown This week’s objective: Interpret the arrangement of the Periodic Table, including groups and periods, to explain how properties are used to classify elements.

What is the Periodic Table? The Periodic Table is the arrangement of all the elements known to man into one table. This table arranges the elements based on their properties. Remember Me??

Types of Elements: In eighth grade, you will classify the elements into seven different types: Remember Me?? METALS METALLOIDS NON- METALS NOBLE GASES HALOGENS ALKALI METALS ALKALINE EARTH

METALS Metals are… Usually solid. Their luster is shiny. They conduct electricity. They conduct heat. They are ductile (can be turned into wire). They are malleable (can change shape). They are found on left to center area of the P.T. Examples: Gold, Silver, Lithium, Sodium, Tungsten

METALLOIDS Metalloids are… solid. They are ductile. They are malleable. They can be shiny or dull. They are semiconductors of heat and electricity. They are found on the zig-zag line of the P.T. There are Eight metalloids: Boron, Silicon, Germanium, Arsenic, Astatine, Antimony, Tellurium, Polonium

NON-METALS Non-Metals are… Dull, no luster. They are not ductile. They are not malleable. They are brittle (breaks easy!) Poor conductors of heat and electricity. They are found on the upper righthand side of the P.T. (Plus Hydrogen on the left). Examples: Hydrogen, Sulfur, Carbon, Oxygen

NOBLE GASES The Noble Gases are a group (family) of elements that are gases and generally do not react with other elements. All of these elements have 8 Valence Electrons. They are found in Group 18. The Noble Gases Are: Helium, Neon, Argon, Krypton, Xenon, and Radon.

HALOGENS The HALOGENS are a group (family) of elements that are highly reactive. All of these elements have 7 Valence Electrons. They are found in Group 17. The Halogens Are: Fluorine, Chlorine, Bromine, Iodine, and Astatine

A group of metals (except for Hydrogen) that are found in nature. They almost always combine with other elements – highly reactive! They are found in Group 1. The Alkali Metals Are: Hydrogen, Lithium, Sodium, Potassium, Cesium, and Francium

Another group of all metals. Found in Earth’s natural states. They are found in Group 2. Less reactive than the Alkalis. The Alkaline Earths Are: Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium. ALKALINE EARTH