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Atomic Radius Atomic Radius (size) is the distance between the nucleus and the outer electrons in an atom.
Atomic Radius Decreases left to right, Increases top to bottom Large Sma ll
Atomic Radius - Ordering 1) Put the following elements in order of increasing atomic radius: Ca, Ge, Ni, Br A)Ca < Ge < Ni < Br B)Br < Ge < Ni < Ca C)Ca < Ni < Ge < Br
Atomic Radius - Ordering 2) Put the following elements in order of decreasing atomic radius: Si, Pb, C, Ge A)Si > Pb > C > Ge B)C > Si > Ge > Pb C)Pb > Ge > Si > C
Electronegativity Electronegativity is the ability of an atom to attract electrons for bonding.
Electronegativity Increasing left to right, Increasing bottom to top, noble gasses excluded Low High
Electronegativity- Ordering 3) Put the following elements in order of increasing electronegativity: Br, Cl, F, At A)At < Br < Cl < F B)F < Cl < Br < At C)Br < Cl < F < At
Electronegativity- Ordering 4) Put the following elements in order of decreasing electronegativity: Zr, Sn, I, Rb A)Rb > Zr > Sn > I B)Zr > Sn > I > Rb C)I > Sn > Zr > Rb
Ionization Energy The energy needed to remove an electron from an atoms valence shell is ionization energy.
Ionization Energy Increasing left to right, Increasing bottom to top Low High
Ionization Energy - Ordering 5) Put the following elements in order of increasing ionization energy : Ni, C, Zr, Ba A)Ni < C < Zr < Ba B)Ba < Zr < Ni < C C)C < Ni < Zr < Ba
Ionization Energy - Ordering 6) Put the following elements in order of decreasing ionization energy: Cr, Ca, Ne, P A)Ne > P > Cr > Ca B)Ca > Cr > P > Ne C)P > Ne > Ca > Cr
Trends of the Periodic Table Representative elements (main group) only so, transition and inner transition metals are not included in the trends Group/family:
Electronegativity A measure of the ability of an atom that is bonded to another atom to attract electrons to itself. Trend: –Increases from left to right.
Chapter14: Periodic Trends Modern Chemistry; Holt, Rinehart, & Winston.
Periodic Trends Section 6.3. Four Periodic Trends Atomic Radius Ionic Radius Ionization Energy Electronegativity.
1 Chapter 3 Atoms and Elements 3.8 Periodic Trends Copyright © 2005 by Pearson Education, Inc. Publishing as Benjamin Cummings.
1 st Ionization Energy The amount of energy required to remove an electron from an atom. Trend: Increases left to right across a row. Increases bottom.
Radii of the Elements. The atomic radius is defined as half the distance between two adjacent atoms in a solid crystal. In a period, the atomic radius.
Review The elements of the Periodic Table are arranged by: Periods – the number of energy levels. Groups – the number of valence electrons. Blocks – the.
The Periodic Law. Dmitri Mendeleev - discovered that when placed in order of their atomic mass, elements show a repeating pattern of properties. Atomic.
Bell Ringer 1. How many valence electrons does N have? 2. Which of the 3 “classes” on the periodic table displays properties of both metals and nonmetals?
Periodic Trends in the Properties of the Elements.
III. Periodic Trends. Types of Periodic Trends Atomic size (atomic radius) Ionic size (ionic radius) Ionization energy electronegativity.
Section 5-3 Periodic Trends. Atomic Radius Distance from the center of the atom’s nucleus to the outermost electrons. 1. Atoms get larger going down a.
The Periodic Law Electron Configuration and Periodic Properties.
Do Now Which list includes elements with the most similar chemical properties? 1. Br, Ga, Hg 2. Cr, Pb, Xe 3. O, S, Se 4. N, O, F.
Periodic Table Alkali Metals Group 1A Alkaline Metals Group 2A Transition Metals Group B Metalloids (7) Purple elements Halogens Group 7A Noble Gases Group.
Periodic Table Set-up. Periodic Trends Atomic Radius : 1/2 distance between 2 nuclei of the same element. Group Trend: Increases Why: e-are being added.
Chapter 6 review Turning Point. Generally, how do atomic masses vary throughout the periodic table of the elements? 1.They increase from right to left.
Periodic Trends. characteristicsdescribe characteristics of elements across periods and among families absoluteare not absolute – represent general trends.
Summary of Periodic Trends Topic #12 continued…..
Jeopardy! Periodic Table Review Jeopardy! $100 $200 $300 $400 $500 Electrons I’ve got my “ion” you Don’t be Negative Pot Porri Super “size” Me.
Periodicity: The arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group.
Periodic Trends. Which element has the largest atomic radius? Cu K Ni Br.
Periodic Trends by: Katie Green, T’mya Cunningham and Samantha Farley.
1 Chapter 3 Electronic Structure and Periodic Law 3.6 Property Trends within the Periodic Table Copyright © 2005 by Pearson Education, Inc. Publishing.
Trends in the Periodic Table. Periodic Trends The arrangement of the periodic table shows trends of properties of the elements Boiling Point:
Valence electrons: Electrons in the highest energy level These electrons are the ones that bond!! The group A # matches how many valence electrons.
The Diatomics They are elements that are found as two atoms bonded to themselves. They are H 2, N 2, O 2, F 2, Cl 2, Br 2, I 2 There are 7 of them and.
Lesson outline Atomic size (radius) trends Ionization energy trends Ions Ions Electron affinity and electronegativity activity Electron affinity trends.
Periodic Trends Trends in Properties on the Periodic Table.
A typical problem – you are given a pair of elements, and asked to predict which would be more reactive. You can do this using periodic trends.
Periodic Table Trends. (1) Atomic Radius As one goes from left to right across a period, the atomic radii decreases. Reason: All the elements in a period.
Periodic Trends. Periodic Patterns [x] [:x:] : : : :.. O : : : : Ne : :.. X H. X. Be : X : X :. Al. : C :.... X : :... N... : X : :. F : X : : : : : :.
Are all atoms the same size? NaMgAlSiPSCl. So then... NaMgAlSiPSCl.
Periodic Properties of the Elements © 2009, Prentice-Hall, Inc. Chapter 7 Periodic Properties of the Elements.
Periodic Table Mysteries Unraveled! Periodic trends Ch 5.
Atomic Radius The radius of an atom. The radius of an atom. Periods - decreases as you move left to right across the table Periods - decreases as you move.
Periodic Table Trends. Remember these groups of the periodic table?
AIM: DETERMINING IONIZATION ENERGY AND ELECTRONEGATIVITY OF ELEMENTS DO NOW: 1. LIST IN ORDER OF INCREASING ATOMIC RADII: MAGNESIUM, SILICON, BARIUM, BROMINE.
Periodic Trends Learning the periodic table. Three major trend seen in the periodic table Radius of the atom –Distance between the nucleus and outermost.
WHATHOWWHY Radius Electronegativity Ionization Energy.
+ Organization of the Periodic Table Periodic Trends.
Unit 5 Notes p. 3-4 January 6. Jan 6 - Objectives You will be able to define – Atomic radius – Electronegativity – Ionization Energy – Electron Affinity.
Periodic Properties Chemical and physical properties of the elements change with their position in the periodic table.
Chemistry Chapter 5 Section 3. Atomic Radius Definition: ½ distance between center of adjacent nuclei of bonded atoms Trends: p141 Within group,
Periodic Trends. Electronegativity a measure of the ability of an atom in a chemical compound to attract electrons Trends Electronegativities tend.
Periodic Trends. 1. Atomic Radius 2. Ionization Energy 3. Electronegativity 4. Ionic Radius.
Periodic Trends. Atomic Radius Atomic Radius is defined as half the distance between the center of 2 atoms of the same element just touching each other.
Periodic Trends. The Periodic Law The Periodic Law states that the repeating chemical and physical properties of elements change periodically with the.
Periodic Trends. Atomic Size Trends often determined by one half the distance between the nuclei of two atoms of the same element when joined Atomic.
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