New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

CHM103 Week 4 Class Notes (9/12-9/16)

by: askcch

CHM103 Week 4 Class Notes (9/12-9/16) 103

Marketplace > University of Miami > Chemistry > 103 > CHM103 Week 4 Class Notes 9 12 9 16
GPA 4.0

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

These notes cover 2.4-2.8
Chemistry for Life Sciences I (Lecture)
Elliot Atlas
Class Notes
25 ?




Popular in Chemistry for Life Sciences I (Lecture)

Popular in Chemistry

This 4 page Class Notes was uploaded by askcch on Friday September 16, 2016. The Class Notes belongs to 103 at University of Miami taught by Elliot Atlas in Fall 2016. Since its upload, it has received 4 views. For similar materials see Chemistry for Life Sciences I (Lecture) in Chemistry at University of Miami.


Reviews for CHM103 Week 4 Class Notes (9/12-9/16)


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 09/16/16
  CHM103   Class   N  otes     eek      (9/12­9/16)  ________________________________________________________________________________  From    revious     ections   ­ 1.11­1.12,   2.1­2.3  ­ Temp,     eat, Energy,   Atoms,   Isotopes  ________________________________________________________________________________  Chapter   2: Atoms   and   the   eriodic  Table  ­ 2.4  The  Periodic    able  ­ Metal:  A  malleable   element,   with  lustrous  appearance,   good   conductor   of  heat  &  electricity  (can  be  worked     ith/molded)  ­ Non   metal:  Poor   conductor   of heat  &  electricity   ­ Metalloid:   Properties   in between   metal   and  nonmetal  ­ Elements  in a  group   (vertical  column)   have   similar  properties   ­ 2.5  Some   Characteristics   of Different   Groups  ­ Group  1A      lkali   etals  ­ Lithium  (Li), sodium   (Na),  potassium   (K), rubidium   (Rb),  cesium   (Cs),  and    rancium  (Fr)  ­ Shiny,   soft metals  with   ow   melting   points  ­ React   with  water   to form   products   that   re   ighly  alkaline  ­ Never    ound  in nature    n      ure   tate due  to   heir   igh reactivity  ­ Group  2A      lkaline    arth    etals  ­ Beryllium   (Be),  magnesium   (Mg),  calcium   (Ca), strontium  (Sr), barium  (Ba),    nd radium   (Ra)  ­ Lustrous,   silvery  metals  ­ Less   reactive    han  Alkali    etals   1A)  ­ Never   found  in nature    n a  pure  state  ­ Group  7A    Halogens  ­ Fluorine  (F), chlorine   (Cl), bromine  (Br), iodine   (I) and  astatine  (At)  ­ Colorful   and  corrosive   non     etals    ­ Found   in nature   only  in combination  with   other  elements,   such   as  with  sodium   in table    alt (Sodium   Chloride)  ­ The   group   name,   halogen,   is taken   from   the  Greek   word     als   meaning   salt  ­ Group    A   Noble     ases   ­ Helium   (He),  neon   (Ne),  argon   (Ar), krypton   (Kr), xenon   (Xe),  and  radon  (Rn)  ­ Colorless  gases  ­ Labeled   the    noble”   gases   because  they     on’t react  ­ He,  Ne,  and   Ar  don’t  combine   with   any  other   elements.   ­ Kr  and    e  combine   with  very   ew  ­ 2.6 Electronic  Structure  of  Atoms  ­ The   properties   of  the  elements   are  determined   by  the  arrangement   of  electrons  in   heir atoms   ­ Electrons   are  not  perfectly   free  to move.   They   are  restricted  to  certain  energy     alues,  or    uantized  ­ Shell:   A grouping   of electrons  in  an  atom   according   to energy  ­ Shell  number   ­> Electron  capacity:   1­>2,  2­>8,  3­>18,   4­>32  ­ Within  the  shells,   electrons   are  further  grouped   into  subshells  (s, p,  d, f)  ­ Within   each   subshell,   electrons   are  grouped   into  orbitals       ­ 2.7 Electron   Configurations  ­ The   exact   arrangement   of electrons   in an  atom’s   shells   and  subshells  ­ Rule   1: Electrons   occupy  the  lowest   energy   orbitals   available.   This  is  complicated  by  “crossover”  of  energies   above   the  3p  level  ­ Electrons   fil orbitals  from  the  lowest­energy   orbitals   upward  ­ Rule   2: Each   orbital  can   hold  only   two  electrons,  which   must  be  of  opposite  spin  ­ Rule   3: Two   or more   orbitals   with  the  same   energy   are  each   half­filled  by  one   electron   before   any   one  orbital   is completely   filled by  the  addition   of  the  second   electron  ­ A  shorthand   using   noble   gas   configurations   is very  useful   for  large  atoms      2.8  Electron   Configurations   and  the  Periodic  Table    ­ A valence   shell  is the  outermost   electron  shell   of an  atom  ­ A valence   electron  is  an  electron  in  the  valence   shell  of  an  atom    ­ 2.9  Electron­dot   Symbol  ­ an  atomic   symbol  with   dots  placed   around   i to  indicate   the  number   of  valence   electrons   


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Janice Dongeun University of Washington

"I used the money I made selling my notes & study guides to pay for spring break in Olympia, Washington...which was Sweet!"

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Parker Thompson 500 Startups

"It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.