The Periodic Table

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by wmsrm8
Last updated 5 years ago

Discipline:
Science
Subject:
Chemistry
Grade:
8

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The Periodic Table

MeetTheElements

Introduction

The Periodic Table is made up of more than 100 different elements. The perodic table is organized in many ways. Most of the time it is organized by the metals, non-metals, and semi-metals or metalloids. But other times it is organized by the alkali metals, alkaline earth metals, and noble gases

Metals

The Periodic Table has an element type called metals. There are lots of metals in the periodic table. electicity can flow through metals. Metals can also conduct heat, but they also have a melting point. The melting point for metals are very high, some might even go up to 1000 degrees

Creator

The creator of the periodic table is Dmitri Mendeleev. He is known as “The Father of The Periodic Table of Elements.” Mendeleev was born in 1834 and died in 1907, in between those years Meneleev was a scientist and studied the periodic table, arraging it. He predicted the discovery of other elements so he left spaces for them

Organization

The periodic table is organized in many ways. Most of the time it is organized by the meatals on the right, the semi- metals or metalloids inbetween, and the non-metals on the left. Other times it is organized by the alkali metals, alkaline earth metals, and noble gases

Non-Metals

The periodic table has an element type called non metals. Most of the non metals are found to the left of the periodic table. All noble gases have the maximum number of electrons possible in their outer shell (2 for Helium, 8 for all others), making them stable

Alkali Metals

Semi-Metals/Metalliods

These elements are found in the stair case of the periodic table, that seperates the metals frome the non-metals They have characteristics of metals and non-metals.

Works Citedwww.chemistry.about.comwww.chemicool.comwww.teachertube.com

The alkali metals, found in group 1 of the periodic table, are very reactive metals that do not occur freely in nature. These metals have only one electron in their outer shell. Therefore, they are ready to lose that one electron in ionic bonding with other elements. As with all metals, the alkali metals are malleable, ductile, and are good conductors of heat and electricity. The alkali metals are softer than most other metals. Cesium and francium are the most reactive elements in this group. Alkali metals can explode if they are exposed to water

Interactive Periodic TablePeriodic Table Song

The Periodic Table


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