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History Of Periodic Table Assignment Worksheet

Product Description

Periodic Trends - Electronegativity, Atomic Radius, Ionization Energy, History of the Periodic Table

This bundle of 5 homework assignments includes questions that reviews the following objectives:
•Describe how the Periodic Table is arranged today
•Explain basic similarities and differences among groups and periods on the Periodic Table
•Locate and label common groups on the Periodic Table
•Locate and list properties of metals and nonmetals
•Describe what a metalloid is
•Explain how atomic radius is found
•Explain the trend for atomic size across periods and down groups
•Explain what shielding is, and describe the role it plays in atomic size
•Explain what ionization energy is
•Describe the ionization energy trend from the Periodic Table
•Explain why it requires more energy to remove each subsequent electron after the first
•Explain the periodic trend for ionic size and electronegativity
•Compare the size of cations to the size of anions

The homework worksheets are separated into sequential order by topic for easier classroom planning. A 4-page study guide that review all objectives is included. Ideal for test prep!

Enjoy!
MsRazz ChemClass

Other Periodic Trends lessons you may be interested in:
Lesson Plan: History and Basics of the Periodic Table
Lesson Plan: Periodic Trends – Atomic Size (Radius) Trend
Lesson Plan: Periodic Trends – Ionization Energy Trend
Lesson Plan: Periodic Trends – Ionic Size and Electronegativity

Saving YOU money: Lesson plan BUNDLES! SAVE 25% NOW!
Unit Bundle: Periodic Trends

To purchase Power Points only:
Power Points: Trends Within the Periodic Table

To purchase homework worksheets only:
Homework Worksheets: Trends Within the Periodic Table – Includes Answers!

Great labs/activities that reinforce these concepts:
Lab Activity: Solubility Trend
Activity: Mendeleev's Periodic Table of 1869
Activity: Periodic Puzzle!

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Ask most chemists who discovered the periodic table and you will almost certainly get the answer Dmitri Mendeleev. Certainly Mendeleev was the first to publish a version of the table that we would recognise today, but does he deserve all the credit?

A number of other chemists before Mendeleev were investigating patterns in the properties of the elements that were known at the time. The earliest attempt to classify the elements was in 1789, when Antoine Lavoisier grouped the elements based on their properties into gases, non-metals, metals and earths. Several other attempts were made to group elements together over the coming decades. In 1829, Johann Döbereiner recognised triads of elements with chemically similar properties, such as lithium, sodium and potassium, and showed that the properties of the middle element could be predicted from the properties of the other two.

It was not until a more accurate list of the atomic mass of the elements became available at a conference in Karlsruhe, Germany in 1860 that real progress was made towards the discovery of the modern periodic table.

This area of the website celebrates the work of many famous scientists whose quest to learn more about the world we live in and the atoms that make up the things around us led to the periodic table as we know it today.

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