Good Morning Take out your LG calendar Write

Good Morning Take out your LG calendar

Write your LG 08/30/13 LG: I will begin to understand the trends on the Periodic Table

Take out a Piece of Paper for notes

Introduction to the Periodic Table

What does PERIODIC TABLE mean? o Periodic-organized, based on time, repetitive o Table- Chart o Ex: the Periodic Table is a Calendar of the elements.

What is the PERIODIC TABLE? o Shows all known elements in the universe. o Organizes the elements by chemical properties.

How do you PERIODIC read the TABLE?

Why do we have the Periodic Table? Year Who? What? 1789 Le. Voisier Grouped atoms by similar properties 1803 Dalton Said all matter is made of atoms (which are Elements) 1863 Newlands Arranged the elements by mass (protons + neutrons) 1869 Mendeleeve Made a new way to arrange elements; he left space for undiscovered atoms/elements 1884 Mendeleeve Arranged elements into Periods This was in your reading from last week; you did a dialectical journal with the sub

How is the Periodic Table organized? The elements are sorted by their PROPERTIES (characteristics)

Groups on the Periodic Table u These are the VERTICLE columns (up & down) u Groups are numbered 1 -18 u Each group has: – Same number of electrons available for bonding (helpful in making MOLECULES)

Periods on the Periodic Table u These are the HORIZONTAL rows (side to side) u Period numbered 1 -7 – The Period Number is the same as the number of electron rings

Types of Elements u Metals – Solid at room temperature – Conduct heat and electricity u Example: Silver (Ag), Iron (Fe) u Nonmetals – Gas at room temperature – Does not conduct heat and electricity u Example: u Metalloids Helium (He), Oxygen (O) (also called Semi-metals) – Can act as both Metals and Nonmetals

What is an Element? u It is a group of the same kind of atom?

Take out your Blank Periodic Table If you were absent last class, I left one for you

We are going to label the different parts You need a pen/pencil and a colored pencil/highlighter

Label each as I labeled mine

Group 1: Alkali Metals (does not include Hydrogen (H))

Group 2: Alkaline Earth Metals

Transition Metals

Rare Earth Metals

Nobel Gases

Group 17: Halogens

Metalloids

Atomic Number 1 (Lowest Atomic Number)

Highest Atomic Number

Periods 1 -7

Electron Rings 1 -7

Groups 1 -18

Yours should look like this:

Now get out 3 Colored pencils Any color

And your double sided periodic table The Big One

Write Metals, Metalloids and Nonmetals at the bottom u Pick a color for each and color over it

Take your Metal Color and Color in the metals. u Be careful around the zig zag line on the right side of the periodic table u Do not color Hydrogen u Al, Ga, Sn, Bi are the last of the metals u Remember the Rare Earth Metals u The next slide has my example…please click

Now the Metalloids

Color the Nonmetals (this includes Hydrogen)

Yours should look like this:

What do you think? u On a piece of paper and using both periodic tables we just did – 1. What are notice? – 2. What are interesting? – 3. What are confusing? – 4. What are the different patterns you some things you find some questions you have?

Please give your answers to the questions to the sub