Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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

MCAT Gen Chem

QuestionAnswer
quantum number: n principle quantum number
quantum number: l angular momentum quantum number; 0 to n-1
quantum number: ml magnetic quantum number (orbital within a subshell); -l to l
quantum number: ms spin quantum number; -1/2 to +1/2
hund's rule orbitals filled so that max # of parallel half-filled orbitals are filled first; one orbital can't have 2 e- while another has 0
effective nuclear charge (Zeff) attractive, positive charge of the nucleus perceived by valence e-; INCREASE w/ electronegativity
atomic radius size of atom; DECREASE w/ electronegativity pattern
ionization energy energy required to removed an election; INCREASE w/ electronegativity & Zeff
electron affinity amount of energy released when an e- is added to neutral atom; larger for atoms closer to octet; INCREASE w/ electronegativity
electronegativity attraction of an atom for e- IN A BOND; fluorine most electronegative
metallic character characteristics associated with metals: electropositive, good conductors of head and electricity, malleable; DECREASE w/ electronegativity
formal charge valence electrons - nonbonding electrons (lone pairs) - # bonds
AX2 linear
AX3 trigonal planar
AX2E, AX2E2 bent
AX4 tetrahedral
AX3E trigonal pyramidal
AX5 trigonal bipyramidal
AX6 octahedral
AX4E2 square planar
molecular dipole depends on... MAGNITUDE & DIRECTION of bond dipole
increasing strength of intermolecular forces dispersion forces --> dipole-dipole --> ion-dipole --> hydrogen bonding (strongest)
Boyle's law Pressure & Volume INVERSELY proportional; P1V1= P2V2
Charles' Law Volume & Temperature DIRECTLY proportional; V1/T1 = V2/T2
Ideal Gas Law PV=nRT
Dalton's Law Ptotal= Pa + Pb + Pc +....; Pa= Xa Ptotal
Graham's Law SPEED of gas particles if proportional to square root of their MOLECULAR WEIGHT; @ same temp, particles have same average kinetic energy; (rate A/ rate B)= sqrt (MMb/ MMa)
gas behaves most like ideal gas at... low pressure, high volume
Created by: kpan