MEGR 1100

Question 1

The electron of a hydrogen atom revolves around the nucleus in subtle circle orbits

Answer 1

Postulates

Question 2

What are the 3 Quantum Conditions

Answer 2

Size, shape, and orientation

Question 3

n=

Answer 3

The principle quantum number determines the energy of the orbital

Question 4

l=

Answer 4

The angular momentum determines the shape of the orbital

Question 5

m sub l

Answer 5

The magnetic quantum number determines the orientation of the orbital

Question 6

m sub s

Answer 6

The electron spin quantum number is characterized by the magnetic movement

Question 7

Can be positive or negative

Answer 7

n

Question 8

Describes the shape 0- (n-1)

Answer 8

l

Question 9

l=0

Answer 9

S orbital

Question 10

l=1

Answer 10

P orbital

Question 11

l=2

Answer 11

D orbital

Question 12

l= 3

Answer 12

F orbital

Question 13

Determines the orientation

Answer 13

m sub l

Question 14

m sub l =

Answer 14

negative l to positive l

Question 15

2 spin magnitudes of negative 1/2 to positive 1/2

Answer 15

m sub s

Question 16

No two electrons can have the same 4 quantum numbers

Answer 16

Pauli Exclusion Principle

Question 17

The minimum amount of energy required to remove the most loosely bound electron of an isolated neutral atom molecule

Answer 17

Ionization Energies

Question 18

The amount of energy released when an electron is attached to a neutral atom or molecule in the gaseous state to form a negative ion

Answer 18

Electron Affinity

Question 19

unpaired electrons attracted by a magnetic field

Answer 19

Paramagnetic

Question 20

fully paired electrons are not attracted by a magnetic field

Answer 20

Diamagnetic

Question 21

stable atom posses eight valence electrons

Answer 21

Octet Rule

Question 22

Metal and non-metal (electrostatic)

Answer 22

Ionic bonding

Question 23

Non-metals

Answer 23

Covalent bonding

Question 24

Delocalized, metals, electrically conductive (molecular)

Answer 24

Metallic Bonding

Question 25

Shared pair of electrons comes from one atom

Answer 25

Coordinate Bonding

Question 26

electrons going to be shared

Answer 26

Covalent Bonds

Question 27

Formal Charge =

Answer 27

Valence electrons- Non-Bounded electrons- bounded electrons that

Question 28

sharing or taking electrons to be isoelectronic with noble gas (full octet)

Answer 28

Bonding

Question 29

Trades electrons; metals and non-metals

Answer 29

Ionic Bonds

Question 30

Shares electrons; non-metals

Answer 30

Covalent Bonds

Question 31

Delocalized electrons; metals and conductive

Answer 31

Metallic

Question 32

All chemical Processes consume (endothermic) or release (exothermic) energy

Answer 32

Energy of Ionic Bond Formation

Question 33

Valence shell electron pair repulsion

Answer 33

Vesper Theory

Question 34

2 things around a central atom

Answer 34

linear molecule

Question 35

108 degrees

Answer 35

linear molecule angle

Question 36

3 things surrounded by a central atom

Answer 36

Trigonal Plane

Question 37

120 degrees

Answer 37

Trigonal Plane angle

Question 38

Three things around a central atom with non bounded electrons

Answer 38

Bent molecule

Question 39

less than 120 degrees and around 116 degrees

Answer 39

Bent molecule angle

Question 40

4 things surrounded by a central atom

Answer 40

Tetrahedral

Question 41

109.5 degrees

Answer 41

Tetrahedral angle

Question 42

3 atoms are surrounded by a central atom but with non bounded electrons

Answer 42

Trigonal pyramidal

Question 43

Less than 109.5 degrees around 107 degrees

Answer 43

Trigonal Pyramidal angle

Question 44

Translational, Rotational, and Vibrational

Answer 44

Degrees of Freedom

Question 45

Moves in the x, y, and z direction

Answer 45

Translational

Question 46

Rotates around an axis going through the center of the molecule (through the bond line) involving momentum

Answer 46

Rotational

Question 47

Only applicable at higher temperatures. Linear molecules: 3N-5, Non-Linear molecule: 3N-6 for an N-atom molecule

Answer 47

Vibrational

Question 48

Mostly electrostatic attraction between oppositely charged particles

Answer 48

Ionic Crystals

Question 49

loses and electron

Answer 49

smaller radii

Question 50

Gains an electron

Answer 50

larger radii

Question 51

substances that tend to have a define shape

Answer 51

Solids

Question 52

Same forces as solid bonding these atoms, but the strength of the forces is not sufficient

Answer 52

Liquid

Question 53

Repeating/periodic array and bounded o their nearest atom

Answer 53

Crystalline solid

Question 54

Lacks a systematic and regular arrangement of. resembles a liquid

Answer 54

Non-Crystalline Solid

Question 55

-A crystalline solid for which the periodic and repeated atomic pattern extends through the entire crystal. -Non grain boundaries. -exists in nature but can be produced artificially -quartz, salt, diamond, and topaz

Answer 55

Single crystal

Question 56

-Composed of more than crystal or grain -grain boundaries -different atomic orientations

Answer 56

Polycrystal

Question 57

Atomic hard-sphere model and reduced sphere model

Answer 57

Crystal structure

Question 58

3D array of points coinciding with atom positions

Answer 58

Lattice

Question 59

Basic structure unit of crystal structure that represents the symmetry of a crystal structure

Answer 59

Unit Cell