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The Periodic Table Chapter 4
4 – 1 Introduction to the Periodic Table
Development of the Periodic Table Early man was familiar with a few elements. ◦ G old and Silver were used for coins. ◦ C opper, Tin and Iron were used for weapons.
Dmitri Mendeleev Russian Chemist. Published the first version of the Periodic Table in 1896.
Arranged the elements in order of increasing atomic mass. He noticed that the properties of the elements seemed to repeat in a pattern.
He placed the elements onto a table. He kept the same properties in vertical columns called “Groups”.
He left blanks for elements that had yet to be discovered. He predicted the properties of those elements. This led to their discovery.
Henry Moseley English Physicist Improved upon Mendeleev’s work in Ordered the Periodic Table by Atomic Number.
Today’s Periodic Table Periodic – Repeating in a pattern.
Groups Groups – the vertical columns in the table. ◦ N umbered 1 – 18.
Periods Periods – The horizontal rows in the table. umbered 1 – 7.
Atomic Number Atomic Number – the number of protons in the nucleus. The largest (font size) whole number in the square on the Periodic Table of Elements.
Chemical Symbol Chemical Symbol – The shorthand way to write the name of an element. The first letter is always capitalized, the following letter(s) is lower case.
Used the first letter if it was available. Used the second letter if the first was already taken. If the first two letters were taken, then a different second letter is taken out of the name.
Some elements were discovered when Latin or Greek was the official language of science. ◦ T hey use the letters from the Latin version. ◦ S odium – Na
Some were named after famous people, or places.
Mass Number Mass Number – the sum of the number of Protons and Neutrons in the nucleus of an atom. It is found by rounding the Average Atomic Mass to a whole number.
Zones on the Periodic Table Representative Elements – Groups 1, 2, 13 – 18. Transition Elements – Groups 3 – 12. Inner Transition Elements – Lanthanide and Actinide Series.
Metals Most are solids at room temperature. Only one is a liquid at room temperature - Mercury
Most are shiny ( Luster ), good conductors, can be pounded ( Malleable ), and can be drawn into wires ( Ductile ). Found to the left of the “Stair-Step Line”.
Nonmetals Most are gases or brittle solids at room temperature. Most do not conduct heat nor electricity well. Found to the right of the “Stair-Step Line”
Metalloids They have properties of both metals and nonmetals Found along the “Stair-Step Line”
Arranging the Elements Chapter 5 Section 1 p Vocabulary 1.periodic 2.periodic table 3.period 4.group.
ARRANGING THE ELEMENTS CHAPTER DISCOVERING A PATTERN Dmitri Mendeleev, a Russian chemist, discovered a pattern to the elements in After trying.
The Periodic Table - Organizing Elements. Many elements were unknown when the Periodic Table was first created Many elements were unknown when the Periodic.
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Ch. 6 Notes-Pre AP Chemistry Periodic Table and Periodic Law John Newlands – when elements arranged by increasing mass, properties repeated every 8 th.
The Periodic Table Arrangement of elements based on properties –Dmitri Mendeleev Mid 1800’s Arranged elements by increasing atomic mass Left blanks.
The Periodic Table Chapter 5 Section 1. Mendeleev’s Table Dmitri Mendeleev published the first version of the periodic table Dmitri Mendeleev published.
Chapter 12 - The Periodic Table Section 1 – Arranging the Elements (pp
Introduction to the Periodic Table Atomic Number ● Symbol ● Atomic Weight Element ● Compound ● Mixture.
Section 1 – Arranging the Elements. About 63 elements have been identified No organization to the elements Several scientists are trying to find.
Chapter 4: The Periodic Table. 4.1: Introduction to the Periodic Table I. Development of the Periodic Table A. Mendeleev’s Table of Elements 1. Dmitri.
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Unit 3 Lesson 2 The Periodic Table. Get Organized! Copyright © Houghton Mifflin Harcourt Publishing Company What are elements? It was once believed by.
Class Notes: The Periodic Table. Creation of the Periodic Table Mendeleev: arranged elements based on atomic mass -noticed holes in the table, so he predicted.
Discovering a Pattern Dmitri Mendeleev- Russian Chemist- discovered a pattern to the element in 1869 Dmitri Mendeleev- Russian Chemist- discovered a pattern.
(8th) Chapter 4-2 Cornell Notes “Organizing the Elements”
The Periodic Table. By the 1870’s many elements had been identified, therefore a method to organize the elements according to their properties was needed.
Periodic Table of Elements. The Periodic Table Vertical columns are called Groups Horizontal rows are called Periods.
History of the Periodic Table Each group will be given some cards. Can your group figure out what card is missing? What is it (number and suit)?
Chapter 3 The Periodic Table. Development of the Modern Periodic Table J.W. Döbereiner Classified some elements into groups of three, which he called.
T h e P e r i o d i c T a b l e Each small square on the periodic table shows the name of one element and the letter symbol for the element.
THE PERIODIC TABLE (Chapter 6) https://www.youtube.com/watch?v=VgVQKCcfwnU.
The Periodic Table of Elements Dmitri Mendeleev ( ) Russian Chemist Published the first version of the period table in 1869 Arranged elements.
The History and Arrangement of the Periodic Table.
Adapted from Liz LaRosa Some images are from
The Periodic Table Father of the Periodic Table In the early 1800s several scientists tried to organize the elements In 1869 Dmitri Mendeleev was able.
The Periodic Table. The Father of the Periodic Table— Dmitri Mendeleev Mendeleev ( ) was the first scientist to notice a relationship between.
Conservation of Mass. Antoine Lavoisier First experimental chemist Found that mass of products in a chemical change is always the same as the mass of.
< BackNext >PreviewMain The Periodic Table Discovering a Pattern In 1869, Russian chemist Dmitri Mendeleev arranged the elements in order of increasing.
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Periodic Table of Elements. gold silver helium oxygen mercury hydrogen sodium nitrogen niobium neodymium chlorine carbon.
Unit 3 Lesson 2 The Periodic Table Copyright © Houghton Mifflin Harcourt Publishing Company.
Modern Periodic Table. Arranged by increasing Atomic Number Rows Called Periods –7 Periods –Higher Number = more available electron energy levels.
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Chapter 5 (cont.) The Periodic Table. History of the Periodic Table Mendeleev (1860’s) –Developed the first periodic table –It was arranged by atomic.
Introduction to the Periodic Table Chapter Today’s Periodic Table Elements organized by increasing atomic number Rows (periods) labeled 1-7 Period—row.
PERIODIC TABLE I. INTRODUCTION Open just about any chemistry book and you will see a copy of the periodic table of the elements. The periodic table is.
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Chapter 5 Periodic Table. Mendeleev Chemist that looked for patterns among their properties of elements Used pieces of paper and wrote the names and properties.
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