Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

CHE-125 Ch. 4 & 5

Octet Rule the most stable electron configuration is a completly full valence shell, which is sometime reffered to as "Nobel Gas Configuration"
Metal v.s. non-metal charges Metal: Positive charge, Non-metal: negative charge
Ionization Energy the energy needed to remove electrons from an atom. Metals have low I.E. and non-metals have high I.E.....IE decreases when going down a family.
Tranisiton Elements & Octet Rule Tranisition elements dont follow octet rule, metals still loose but how many is complicated.
Ionic Compounds Characteristics -all solids-very stornf bonds-crystalline(regular arrangment)-formula gives ratio-high melting points-generally soluable in water (soluable are electolytes)
Naming Positive Ions (Cations) ions w/1 possible charge (1A, IIA, IIIA) is just element name and "ion.".....ions w/more than one possible charge are element name+roman numeral for charge+ion
Naming Negative ions (Anions) Prefix + ide +ion
Polyatomic Ions group of atoms bound together (molecule) that has an overall charge
Acid ionic compound with H+ as the cation
Base ionic compound with OH- as the anion (Bases follow regular naming rules)
Naming Acids when H+ is paired with element Start w/ "hydro" root, then element root, then "ic." EX: HCI=hydrochloric acid
Naming Acids when H+ is paired with polyatomic ions Leave out H in name, root of polyatomic ion and add "ic." EX: H3PO4= phosphoric acid
Covalent Bonds e- are shared, formulas no longer simplify, formulas do not represent a ratio but a fixed unit
Dot stucture of Covalent Compound all atoms should have octet (excpetion is H)
Resonance Structure more than one correct dot/lewis structure. reality is the actual structure of molecules is somwehere in betweeM
VSEPR Valence.Sehll.Electorn.Pair.Repulsion
2 Groups of Electrons Linear 180
3 Groups of Electrons 120 Electron Structure: trigonal planar Molecular Structure: bent?
4 Groups of Electrons E Structure: Tetrahedral Molecular Structure: Bent ? 109
electronegativity attraction of atom or nuclues for a shaired pair of electrons
Created by: kaelin.steele



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards