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Periodic Table & Trends . Objective: To understand the physical and chemical properties of atoms based on their position on the Periodic Table NC Essential Standards 1.3 What does “periodic” mean? . The Pattern is the Key. Put the following into a pattern 3 across 4 down

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periodic table trends
Periodic Table & Trends
  • Objective: To understand the physical and chemical properties of atoms based on their position on the Periodic Table
  • NC Essential Standards 1.3
  • What does “periodic” mean?
the pattern is the key
The Pattern is the Key

Put the following into a pattern

3 across

4 down

Bluebird, green hummingbird, red cardinal, pink flamingo

Pink freight truck, Red pick-up truck, green Civic, Blue SUV

Green cottage, Blue house, Red brick apartment building, Dilworth’s pink glass building

slide3
A Chemist’s Most Useful ToolHow can we use the Periodic Tableto understand the properties of elements?
periodic table
Periodic Table
  • http://ed.ted.com/lessons/the-genius-of-mendeleev-s-periodic-table-lou-serico
  • Also see Review & Dig Deeper on webpage
slide6
Elements are arranged in Periods (_____) according to the total number of _________ _________ for their electrons.

b. The Periodic Table can be divided into 4 blocks based on electron configurations for the elements.

Groups Val electrons

Block S

Block P

Block D

Block F

slide7

Valence e-

Electron dot

1 18

Periods

Representative elements are elements in groups 1 & 2; 13-18. These valence

electrons are in the _____ and _____ & ________ sublevels.

understanding of metals vs non metals
Understanding of Metals vs. Non-metals
  • Examples Metals Non-metals
  • Properties
    • Physical
    • Chemical

What do you already know? – Sort terms

understanding metals vs non metals video segment
Understanding metals vs. non-metalsvideo segment
  • http://www.youtube.com/watch?v=2xFx7Ipaf8U
    • Science film segment
  • http://www.youtube.com/watch?v=lQap3cRnP28
    • YouTube – reactivity – based on position on PT
      • Clips showing reactivity
  • http://www.youtube.com/watch?v=EYOunr2Lwxs
    • Slides – good pictures but no sound
understanding metals vs non metals physical properties
Understanding Metals vs. Non-metalsPhysical Properties
  • Black Study Guide
    • Metals: p. 47
    • Non-metals: p. 50

Sort terms for metals vs. non-metals

slide12

Physical

& Chemical

Properties

1 18

elements basic building blocks
Elements: Basic Building Blocks
  • Hunting for Elements – (intro – 4 minutes)
  • http://www.youtube.com/watch?v=-bENV1arP0g
  • 2 hours
  • http://www.youtube.com/watch?v=Hd6vB82oiQ0
element song
Element Song
  • http://www.edu-cyberpg.com/IEC/elementsong.html
  • Educational CyberPlayGround ®: K-12 Interdisciplinary Curriculum
element groups
Element Groups
  • Elements are arranged in groups (____________) according to the number of their ___________ _____________
  • Definition:
  • Elements in the same group have _________ __________ properties.
slide17

Group Names: describe their properties

Hydrogen is unique!

Groups important to know:

1 2 Groups 3 - 12 14,15,16,17,18

elements basic building blocks1
Elements: Basic Building Blocks
  • Hunting for Elements – (intro – 4 minutes)
  • http://www.youtube.com/watch?v=-bENV1arP0g
  • 2 hours
  • http://www.youtube.com/watch?v=Hd6vB82oiQ0
ordering elements by properties
Ordering Elements by Properties

Follow the instructions on the small card

Arrange the elements based on properties

Put elements into columns and rows in a pattern

Use physical and chemical properties

Why did you put an element card at the top of a column?

Why should another be placed lower or to the right?

results
Results?

Analyze your results:

Make a table that shows the order of your elements (see next slide)

Show the patterns for the properties

Physical properties - explain the pattern for each physical property

Chemical properties – explain the pattern

ion practice
Ion Practice
  • Ion Formation base on electron configuration
    • Metal or non-metal?
    • Compare atom & ion
      • Electron configuration and Electron Dot Notation
  • Additional practice
    • Using Lewis Diagrams
representing ions
Representing Ions
  • Ions are formed when the __________ electrons are lost or gained.
  • Metals ________ valence electrons to form

_______ ions, called __________.

Non-metals _______ valence electrons until they have 8 and form _______ ions, called

__________.

how do metal atoms lose electrons ionization energy
How do metal atoms lose electrons? Ionization energy

Ground State, Excited State, Ionization energy

Lithium

forming compounds
Forming Compounds
  • They come together to form a ______________ ______________ .
  • Many formula units are held together to make an _______ compound.
periodic trend animation
Periodic Trend Animation
  • http://faculty.ucc.edu/chemistry-pankuch/Amin.html
  • Atomic size
  • Ionic size
  • Ionization
  • Electronegativity
  • For later used: bond formation
trends for ionization energy electronegativity arrows to show trends for metals non metals
Trends for Ionization Energy & ElectronegativityArrows to show trends for metals & non-metals

1 18

Reactivity: trends for metals and non-metals

6 octet rule
6. Octet Rule

Atoms tend to ______, ______, or _______

electrons in order to have _____ valence electrons.

_______ valence electrons gives stability.

Exception:

Duet rule:

7 reactivity
7. Reactivity

Group 18 (called the _______________) are ____________ (also called ________ or _____________), because:

Group 1 (called ____________) are the most reactive metals because:

Group 17 (called ___________) are the

most reactive nonmetals because:

trends for ionization energy electronegativity arrows to show trends for metals non metals1
Trends for Ionization Energy & ElectronegativityArrows to show trends for metals & non-metals

1 18

Reactivity: trends for metals and non-metals

slide38

Predicting Properties of Elements

- based on the position on the Periodic Table : Size; IE; EN

Property: which element has the largest value?

Ca vs. Br C vs. SnF vs. I Si vs. Cl

Na vs. P Li vs. K

Be vs. O S vs. Ar

Al vs. S Ne vs. Kr

B vs. Al B vs. Ne

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