Q u a n t u m N u m b e r s M r B o h r w a n t s t o k n o w.

Slides:

Advertisements

Similar presentations

Atom – the smallest unit of matter “indivisible” Helium atom.

Advertisements

Which Element? Is highest in electronegativity?. Which Element? Is lowest in electronegativity?

1 Chapter 3 Electronic Structure and Periodic Law 3.3 The Shell Model and Chemical Properties Copyright © 2005 by Pearson Education, Inc. Publishing as.

1 Chapter 3 Atoms and Elements 3.8 Periodic Trends Copyright © 2005 by Pearson Education, Inc. Publishing as Benjamin Cummings.

The Quantum Mechanical Picture of the Atom

Periodic Properties of the Elements All Depend on energies of outermost orbitals Atomic Size Ionization Energy Electron Affinity Ion Size.

Which atom has a LARGER radius: Helium or Xenon?.

Paper Plate Model of Carbon

The Schrödinger Model and the Periodic Table. Elementnℓms H He Li Be B C N O F Ne.

Periodic Table of Elements. Element An element is a substance that is made up of ONE kind of atom only. e.g. Carbon.

1 Chapter 4 Atoms and Elements 4.6 Electron Energy Levels · Be · · Mg · · Ca · · Sr · · Ba · Copyright © 2008 by Pearson Education, Inc. Publishing as.

Atomic Structure. Rules Of Atomic Structure 1.The Number of electrons = number of protons 2.Atomic Number = the number of protons/electrons 3.Atomic Mass.

18 Bohr Models Lesson 3.1 Extension. Element Name: _______________________ Chemical Symbol: _______Atomic Number: _______ Diagram the Bohr atom which.

Please do not write on this document. Thank you. Atomic Radius Data Element Name Atomic Number Atomic Radius (pm) Height of Straws (cm) H He

Protons - positive charge Neutrons - no charge Nucleus - Electrons negative charge 1st energy level holds a maximum of 2 electrons (e 1-

Periodic Table of the Elements. Select an element = Internet link ()

The Current Atomic Model

Daily Science Oct 16 Write the shorthand electron configurations for the following:  Cu  I  F  Hg.

Periodicity Trends in Bonding Across Period 3. On crossing period 3, the ionisation energies of the elements increase so it becomes more difficult to.

Review of Elements #1-20 Good Luck!! FabulousFunFriskyDr. Evil

Periodic Trends. Which element has the largest atomic radius? Cu K Ni Br.

Lewis Electron Dot Diagrams. Valence Electrons Electrons found in the outermost energy level of an atom Usually involved in chemical changes Lewis Electron.

Chapter 3 Atoms and Elements 3.7 Electron Energy Levels 1.

QUANTUM NUMBERS n = PRINCIPAL ENERGY LEVEL  VALUES: 1, 2, 3, 4, 5, 6, 7 l = ANGULAR MOMENTUM  VALUES: 0, 1, 2, 3, ….n-1  NOTE: 0  s, 1  p, 2  d,

Atomic Number Proton Electron ELEMENTAtomic #Atomic MassProtonsNeutronsElectrons N K Ag Na O Ne Al

Atomic Structure Test Review 166 point total. 1.The atomic number is the number of protons. 2. The mass number is the number of protons and neutrons.

n=1 n=2 n=3 Mg (Z=12) Radii Ne=0.69 Å Na=1.54 Å Mg=1.30 Å.

Electro- negativity. Ionic covalent continuum When chlorine and hydrogen react the covalently bonded HCL is made When chlorine and sodium react ionicly.

Monday 11/9 Day 2 Science Starters Sheet 1. Please have these Items on your desk. Agenda 2- Fill out your Agenda. 1.What is the difference between a group.

HHeLiBeBC NOFNeNaMg AlSiPSClAr. (L) Atom Sort Reflection: 1.I learned that … ( 3-5 sentences) 2.Highlight the atoms that can form covalent and ionic bonds.

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.

What are the names of these elements? C O Na Li Fe Mg Pb Ca F Xe Ti K Ba B Si P Cl Be.

Orbital energies II/. Orbital Energy determined by n and ℓ: The larger (n+ℓ), the higher the energy. If two orbitals have equal (n+ℓ), that with larger.

Writing Electron Configurations Using Core Notation Part 1 Introducing Core Notations.

Periodic Properties of the Elements © 2009, Prentice-Hall, Inc. Chapter 7 Periodic Properties of the Elements.

A Creative Chemistry PowerPoint Presentation By Nigel Saunders Copyright © 2003 Nigel Saunders, all rights reserved Permission is granted for personal.

Chapter 10 Ions. An ion is an atom, or group of atoms, that has a net positive or negative charge. cation – ion with a positive charge If a neutral atom.

Electronegativity What is it? Electronegativity is the power of an atom to attract electron density Remember the definition … … look for where you get.

What is the difference between a group and a

Electrons and Lewis Dot Structures

Write the orbital notation and electron configuration for the following atoms Be B N F Mg.

Chapter 3 Atoms and Elements

The Periodic Table G R O U P S P E R I O D S.

MS. SAMAYOA BIRMINGHAM COMMUNITY CHARTER HIGH SCHOOL CHEMISTRY

Periodic Trends.

Electronic configuration

Al Si Ne Li He P H Periodic Table Basics Be O Mg F Na N B C Cl

electron configurations nuclear charge

Ionization Energy Atomic Radius Electron Affinity Electronegativity

Do not occur freely in nature

Energy Na 11P 11e.

Daily Science 9/26 Write the shorthand electron configurations for the following: Ag I.

Valence Electrons Electrons in the highest (outer) energy level

From the Periodic Table of Elements!

group period Do not occur freely in nature 1 Very reactive Do not occur freely in nature Li Na K.

Bohr Model of Hydrogen Visible Spectrum Full Spectrum.

Chapter 3 Atoms and Elements

III. Periodic Trends (p )

Aim: What are some more trends in the periodic table?

Al Si Ne Li He P H Periodic Table Basics Be O Mg F Na N B C Cl

Patterns and the Periodic Table

All substances are made from atoms.

Intro to Agriculture AAEC – Paradise Valley Fall 2014

Period three TRENDS.

Succesive Ionization Energies

Too much text. This slide has too much text. This slide has too much text. This slide has too much text. This slide has too much text. This slide has too.

Presentation transcript:

Q u a n t u m N u m b e r s M r B o h r w a n t s t o k n o w

Q u a n t u m N u m b e r s Q u a n t u m n u m b e r s a r e u s e d t o d e s c r i b e t h e e l e c t r o n s i n a n a t o m.

P r i n c i p a l Q u a n t u m N u m b e r - n z D e s c r i b e s t h e e n e r g y l e v e l. z E n e r g y l e v e l s 1 t o 7. z T h e m a x i m u m n u m b e r o f e l e c t r o n s i n n i s 2 n 2.

S e c o n d Q u a n t u m N u m b e r - l z D e s c r i b e s t h e s u b l e v e l i n n. z s - p - d - f s u b l e v e l s z E a c h e n e r g y l e v e l h a s n s u b l e v e l s.

S e c o n d Q u a n t u m N u m b e r - l S u b l e v e l s o f d i f f e r e n t e n e r g y l e v e l s m a y h a v e o v e r l a p p i n g e n e r g i e s. T h i s i s s h o w n o n t h e P e r i o d i c T a b l e.

T h i r d Q u a n t u m N u m b e r - m z D e s c r i b e s t h e o r b i t a l w i t h i n a s u b l e v e l. z s h a s 1 o r b i t a l p h a s 3 o r b i t a l s d h a s 5 o r b i t a l s f h a s 7 o r b i t a l s zW h a t i n d i c a t e s o r b i t a l s o n t h e P e r i o d i c T a b l e ?

T h i r d Q u a n t u m N u m b e r - m z O r b i t a l s m a y c o n t a i n 1 o r 2 e l e c t r o n s. z m a l s o d e s c r i b e s t h e d i r e c t i o n i n s p a c e. z P o s s i b l e d i r e c t i o n s a r e - 1 t o + 1.

F o u r t h Q u a n t u m N u m b e r - s z D e s c r i b e s t h e s p i n o f t h e e l e c t r o n. z E l e c t r o n s i n t h e s a m e o r b i t a l m u s t h a v e o p p o s i t e s p i n s. z P o s s i b l e s p i n s a r e c l o c k w i s e, + 1 / 2, a n d c o u n t e r c l o c k w i s e, - 1 / 2.

P a u l i E x c l u s i o n P r i n c i p l e N o t w o e l e c t r o n s i n a n a t o m h a v e t h e s a m e s e t o f f o u r q u a n t u m n u m b e r s.

E l e c t r o n C o n f i g u r a t i o n z1s 2 2s 2 2p 6 3s 2 3p 5 zT h e l a r g e # i s t h e e l e c t r o n e n e r g y l e v e l. zT h e s m a l l l e t t e r i s t h e s u b l e v e l. zT h e s u p e r s c r i p t i s t h e n u m b e r o f e l e c t o n s i n t h e s u b l e v e l. zR e a d t h i s f r o m t h e T a b l e.

E l e c t r o n C o n f i g u r a t i o n z1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 3 z1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 9 zW r i t e t h e e - c o n f. f o r B r o m i n e. zW r i t e t h e e - c o n f. f o r L a n t h a n u m.

H u n d ‘ s R u l e E l e c t r o n s w i l l e n t e r e m p t y o r b i t a l s o f e q u a l e n e r g y w h e n t h e y a r e a v a i l a b l e.

C 1 st Ionization Energy ElectronVoltsElectronVolts Atomic Number H He Li Be B N O F Ne Na Mg Al Si P S Cl Ar

M r. S c h r o e d i n g e r h a s l o s t h i s c a t !

E n d Q u a n t u m N u m b e r s