Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the...

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Section 4.4—The Periodic Table

Transcript of Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the...

Page 1: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

Section 4.4—The Periodic Table

Page 2: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

History of the Periodic Table

Different scientists organized the elements differently—this lead to confusion

In 1869, Dimitri Mendeleev designed a periodic table based on atomic mass.This way showed patterns in properties that

repeated across rows and similarities down columns

He couldn’t find elements to fit all the property trends, so he left holes

Page 3: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

History of the Periodic Table

The holes he left were later filled in as more elements were discovered

The modern periodic table is arranged by atomic number rather than atomic massThis caused a few “switches” in placement, but

overall is very similar to Mendeleev’s

Page 4: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

Organization of the Periodic Table

Page 5: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

Groups and PeriodsGroupsColumns are called “groups” or “families”Periods

Rows are called “periods”

Page 6: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

6C

Carbon12.01

Information for Each Element

Atomic NumberWhole number—elements are ordered by this on the periodic table.

Element SymbolIf there’s a second

letter, it’s lower-case

Element Name

Atomic MassNumber with decimalsGives the mass for 1 mole of atoms, in grams

Most periodic tables give the following information, but it can be in a different location

Page 7: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

Parts of the Periodic Table

Page 8: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

The rows at the bottom

Most periodic tables are written with 2 rows at the bottom.

This is done to allow the font to be bigger on a piece of paper.

Page 9: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

The rows at the bottom

Most periodic tables are written with 2 rows at the bottom.

This is done to allow the font to be bigger on a piece of paper.

But they really belong here!

Follow the atomic numbers on your periodic table to see it!

Page 10: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

Electron Configurations and the Periodic Table.

Page 11: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

1s2 2s2 2p5

Configurations Within a Group

Look at the electron configurations for the Halogens

F

Cl

Br

I

1s2 2s2 2p6 3s2 3p5

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p5

All of the elements in Group 7 end with 5 electrons in a p subshell.

In fact, every Group ends with the same number of electrons in the highest energy subshell

Page 12: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

Configurations and the Periodic Table

s1 s2

d1 d2 d3 d4 d5 d6 d7 d8 d9 d10

p1 p2 p3 p4 p5 p6

f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12 f13 f14

d-block

f-block

p-blocks-block

Page 13: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

p subshells begin in level 2, so begin the p-block with “2p”

s subshells begin in level 1, so begin the s-block with “1s”

How to remember the filling order?

2p

3p

4p

5p

6p

3d

4d

5d

6d

4f

5f

d subshells begin in level 3, so begin the d-block with “3d”

f subshells begin in level 4, so begin the f-block with “4f”

1s

2s

3s

4s

5s

6s

7s

1s

Page 14: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

To see the filling order of subshells, read from left to right, top to bottom!

How to remember the filling order?

2p

3p

4p

5p

6p

3d

4d

5d

6d

4f

5f

1s

2s

3s

4s

5s

6s

7s

1s

Note that this tool shows that the 3d energy level is filled after the 4s energy level!

Page 15: Section 4.4—The Periodic Table. History of the Periodic Table Different scientists organized the elements differently—this lead to confusion In 1869,

How do you know where to start off after using a noble gas?Use the periodic table!

Where Does the Noble Gas Leave Off?

2p

3p

4p

5p

6p

3d

4d

5d

6d

4f

5f

1s

2s

3s

4s

5s

6s

7s

He

Ne

Ar

Kr

Xe

Rn

The noble gas fills the subshell that it’s at the end of.

Begin filling with the “s” subshell in the next row to show valence electrons.


PERIODIC TABLE 1869. PERIODIC PROPERTIES When elements are arranged in order of increasing atomic number, certain sets of properties recur periodically.

PERIODIC TABLE 1869. PERIODIC PROPERTIES When elements are arranged in order of increasing atomic number, certain sets of properties recur periodically.

The Periodic Table Chapter 5 Notes. Mendeleev ● Designed first periodic table (1869) ● Arranged mostly by increasing atomic mass ● Elements in the same.

The Periodic Table Chapter 5 Notes. Mendeleev ● Designed first periodic table (1869) ● Arranged mostly by increasing atomic mass ● Elements in the same.

Periodic Table This table is a remarkable way to show the manifold relationships between differing kinds of elements The modern table was devised in 1869.

Periodic Table This table is a remarkable way to show the manifold relationships between differing kinds of elements The modern table was devised in 1869.

Introduction to the Periodic Table. Dmitri Mendeleev The elements were first arranged in the periodic table in 1869 by Dmitri Mendeleev. By arranging.

Introduction to the Periodic Table. Dmitri Mendeleev The elements were first arranged in the periodic table in 1869 by Dmitri Mendeleev. By arranging.

Periodic Table. The Periodic Table Historical development of the periodic table: Highlights – Mendeleev (1869): Put the elements into columns according.

Periodic Table. The Periodic Table Historical development of the periodic table: Highlights – Mendeleev (1869): Put the elements into columns according.

The Periodic Table of Elements. History of the Periodic Table 1869 : Dmitri Mendeleev Considered the father of the periodic table of elements Periodic.

The Periodic Table of Elements. History of the Periodic Table 1869 : Dmitri Mendeleev Considered the father of the periodic table of elements Periodic.

Chapter 5 The Periodic Law. History of the Periodic Table u 1869 – Dmitri Mendeleev published his periodic table. u He arranged it by grouping together.

Chapter 5 The Periodic Law. History of the Periodic Table u 1869 – Dmitri Mendeleev published his periodic table. u He arranged it by grouping together.

Chapter 6: The Periodic Table and Periodic Law · The Periodic Table and Periodic Law 150 Chapter 6 ... ments do repeat in a periodic way. Meyer,Mendeleev,and Moseley In 1869, German

Chapter 6: The Periodic Table and Periodic Law · The Periodic Table and Periodic Law 150 Chapter 6 ... ments do repeat in a periodic way. Meyer,Mendeleev,and Moseley In 1869, German

Chapter 5 p.123 Periodic Table Periodic means = Repeating pattern Dimitri Mendeleev Russian chemist, 1866, published in 1869 Mendeleev- discovered pattern.

Chapter 5 p.123 Periodic Table Periodic means = Repeating pattern Dimitri Mendeleev Russian chemist, 1866, published in 1869 Mendeleev- discovered pattern.

Made the FIRST periodic table - Ms. Thompson's …msthompsonschemistrysite.weebly.com/uploads/3/3/1/7/...1869 Mendeleev organized the periodic table based on the similar properties

Made the FIRST periodic table - Ms. Thompson's …msthompsonschemistrysite.weebly.com/uploads/3/3/1/7/...1869 Mendeleev organized the periodic table based on the similar properties

Unit 4 Notes: Periodic Table Notes - lcps.org 4... · Unit 4 Notes: Periodic Table Notes ... In 1869 both Lothar Meyer and Dmitri Mendeleev showed a ... Used for nuclear power/weapons,

Unit 4 Notes: Periodic Table Notes - lcps.org 4... · Unit 4 Notes: Periodic Table Notes ... In 1869 both Lothar Meyer and Dmitri Mendeleev showed a ... Used for nuclear power/weapons,

The Periodic Table. History of Periodic Table Developed by Dmitri Mendeleev 1869 Arranged 70 known elements by increasing atomic mass Noticed a periodic.

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The Periodic Table of the Elements Russian chemist Dimitri Mendeleev is given credit for creating the first version of the periodic table in 1869. By arranging.

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The Periodic Table. History of the Periodic Table In 1869, Dmitri Mendeleev arranged the elements according to atomic mass in an attempt to classify.

The Periodic Table. History of the Periodic Table In 1869, Dmitri Mendeleev arranged the elements according to atomic mass in an attempt to classify.

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Trends in the Periodic Table. Development of the Periodic Table The periodic table was invented by Dimitri Mendeleev (1869). He arranged elements in order.

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The Periodic Table. Introduction to the Periodic Table By 1830 fifty-five different elements had been isolated and named. In 1869 Mendeleev arranged elements.

The Periodic Table. Introduction to the Periodic Table By 1830 fifty-five different elements had been isolated and named. In 1869 Mendeleev arranged elements.

Periodic Table History & Classification. Mendeleev’s Periodic Table-1869 Dmitri Mendeleev Organized by increasing atomic mass Elements with similar properties.

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Chapter 4 The Periodic Table. Organizing the Elements Dmitri Mendeleev – Constructed the first Periodic Table in 1869 The elements were arranged according.

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