chem

Question 1

n=4

l,ml, total orbitals,electrons

Answer 1

l=0,1,2,3
ml=0,-+1,-+2,-+3,
16 (4 squared)
32 electrons

Question 2

n=5

l,ml, total orbitals,electrons

Answer 2

l=0,1,2,3,4
ml=0,-+1,-+2,-+3,+-4
25 (5 squared) orbitals
50 electrons

Question 3

How does the radial probability plot and electron probability distribution look like

Answer 3

Goes up (1/4) and back down

Question 4

how does the p orbitals look like?

Answer 4

two lobes and nucleus is on a plane that divides the lobes

Question 5

how does d orbitals look like?

Answer 5

four lobes and one of them (dz2) has two and a ring

Question 6

What are the 3 known electron configuaration anomolies

Answer 6

Cr, Cu, Mo
Chromium, Copper, Molybednum

Question 7

diamagnetism

Answer 7

all of electrons are paired

Question 8

paramagnetism

Answer 8

atoms with unpaired electrons

Question 9

What 2 things make an atom bigger

NOT THE TREND, THE REASON

Answer 9

decreasing ZEFF, increasing electron electron repulsion making e- cloud bigger

Question 10

What groups are the anomolies of IE in?

Answer 10

Group 3, 6

Question 11

What groups is electron affinity +

and why

Answer 11

2,5 (just nitrogen), 8

energy must be added to add an additional electron

Question 12

electronegativity of C,N,O,F (2nd period)

Answer 12

C: 2.5
N:3.0
O:3.5
F:4.0

Question 13

Electronegativity of P, S, Cl (3rd period)

Answer 13

P: 2.2
S:2.6
Cl:3.0

Question 14

Electronegativity of Br, I (4th and 5th halogens)

Answer 14

Br: 2.8
I:2.5

Question 15

Ionic Compounds

1. physical state
2. melting and boiling point
3. solubility in water
4. Electrical Conductivity

Answer 15

1. Exist as solids at room temp
2. high melting and boiling
3. dissolve in water
4. do not conduct electricity in wolid state, does conduct in molten state

Question 16

covalen compounds

1. physical state
2. melting and boiling point
3. solubility in water
4. Electrical Conductivity

Answer 16

1. exist as gases, liquids, solids at room temp,
2. low melting and boiling,
3. do not dissolve in water,
4. do not conduct electricity

Question 17

metallic

1. physical state
2. melting and boiling point
3. solubility in water
4. Electrical Conductivity

Answer 17

1. exist as solids at room temp
2. high melting and boiling temp
3. do not dissolve in water
4. good conductors of electricity in solid/molten

Question 18

Zinc charge

Answer 18

Zn2+

Question 19

Ammonium charge

Answer 19

NH4+

Question 20

nitrate

Answer 20

no3-

Question 21

sulfate

Answer 21

so42-

Question 22

phosphate!

Answer 22

po4 3-

Question 23

Carbonate

Answer 23

Co3 2-

Question 24

Perchlorate (4)

Answer 24

clo4-

Question 25

Acetate C2H3O2

Answer 25

C2H3O2-

Question 26

Hypovalent molecules

Answer 26

Boron, beryllium, alluminum

Question 27

What is the most repulsive

Answer 27

Lone pair lone pair repulsions

Question 28

What is the least repulsive

Answer 28

Bond pair Bond pair repulsions

Question 29

Trigonal planar makes what? SN?

Answer 29

SN=3, bent

Question 30

tetrahedral

Answer 30

SN=4 trigonal pyramidal, bemt

Question 31

trigonal byprimidal

Answer 31

SN=5 See Saw, T shape, Linear

Question 32

Octahedral

Answer 32

SN=6 Square pyramidal, square planar 90 degrees

Question 33

Polar bonds have

Answer 33

Dipole moments

Question 34

Sigma bond

Answer 34

head to head overlap ON internuclear axis

Question 35

Pi bonds

Answer 35

Side to side interlaps perpendicular to internuclear axis