
If there are 2 groups on the central atom what is the group geometry?
Linear

If there are 3 groups on the central atom what is the group geometry?
Trigonal Planar

If there are 4 groups on the central atom what is the group geometry?
Tetrahedral

If there are 5 groups on the central atom what is the group geometry?
Trigonal Bipyramidal

If there are 6 groups on the central atom what is the group geometry?
Octahedral

AX_{2}E_{0 }has what shape and angle?
Linear, 90

AX_{3}E_{0} has what shape and angle?
Trigonal Planar, 120

AX_{2}E_{1} has what shape and angle?
Bent and 120

AX_{4}E_{0} has what shape and angle??
Tetrahedral and 109.5

AX_{3}E_{1} has what shape and angle?
Trigonal Pyramidal and 109.5

AX_{2}E_{2} has what shape and angle?
Bent and 109.5

AX_{5}E_{0} has what shape and angle?
Trigonal Bipyramidal and 180, 120, & 90

AX_{4}E_{1} has what shape and angle?
Seesaw and 180, 120, & 90

AX_{2}E_{3} has what shape and angle?
Linear and 180

AX_{3}E_{2} has what shape and angle?
TShape and 180 & 90

AX_{6}E_{0} has what shape and angle?
Octahedral and 180 & 90

AX2_{5}E_{1} has what shape and angle?
Square Pyramidal and 180 & 90

AX_{4}E_{2} has what shape and angle?
Square Planar and 180 & 90

Is AX_{2}E_{1} polar?
Yes

Is AX_{3}E_{1} polar?
Yes

Is AX_{2}E_{2} polar?
Yes

Is AX_{4}E_{1} polar?
Yes

Is AX_{3}E_{2} polar?
Yes

Is AX_{5}E_{1} polar?
Yes








How do one find the formal charge of an element?
Formal Charge: group number  number of bonds  lone pairs

Which out of the two has more electronegativity: F or S?
F

Which out of the two has more electronegativity: P or S?
S

Which out of the two has more electronegativity: C or N?
N

Which out of the two has more electronegativity: N or O?
O

Which out of the two has more electronegativity: Cl or F?
F

Which out of the two has more electronegativity: O or Cl?
O

Which out of the two has more electronegativity: C or H?
C

Which out of the two has more electronegativity: K or Fr?
K

Which out of the two has more electronegativity: Na or K?
Na

Put in order of increasing EN: N, Br, I
I, Br, N

Put in order of increasing EN: H, F, Ca
Ca, H, F

Put in order of decreasing EN: P, Br, Cl
Cl, Br, P

Put in order of decreasing EN: I, O, F
F, O, I

True or False: The more bonds the shortest the bond.
True

