Long Test #2

Question 1

a type of bond between metals and nonmetals where the valence electrons is transferred from the cation to the anion

Answer 1

ionic bonding

Question 2

a type of bond between two nonmetals where the atoms each share electrons

Answer 2

covalent bonding

Question 3

a type of bond between two metals that form a metallic lattice

Answer 3

metallic bonding

Question 4

electronegativity difference greater than 2.0

Answer 4

ionic bonding

Question 5

electronegativity difference less than 2.0

Answer 5

covalent bonding

Question 6

distribution of electric charge in a molecule

Answer 6

polarity

Question 7

pulling electrons towards itself

Answer 7

polar

Question 8

more equal sharing among atoms

Answer 8

nonpolar

Question 9

electronegativity less than 0.5

Answer 9

nonpolar

Question 10

electronegativity between 0.5 and 2.0

Answer 10

polar

Question 11

founder of the Lewis structure

Answer 11

G.N. Lewis

Question 12

compund that could have multiple Lewis structures

Answer 12

resonance structures

Question 13

atoms with unpaired electrons

Answer 13

free radicals

Question 14

2 electron sets. 2 bonds

Answer 14

linear structure

Question 15

180° bond angle

Answer 15

linear structure

Question 16

3 electron sets, 3 bonds

Answer 16

trigonal planar

Question 17

120° bond angle

Answer 17

trigonal planar

Question 18

3 electron sets, 2 bonds, 1 lone pair

Answer 18

bent

Question 19

< 120° bond angle

Answer 19

bent

Question 20

4 electron sets, 4 bonds

Answer 20

tetrahedral

Question 21

109° bond angle

Answer 21

tetrahedral

Question 22

4 electron sets, 3 bonds, 1 lone pair

Answer 22

trigonal pyramidal

Question 23

< 109° bond angle

Answer 23

trigonal pyramidal

Question 24

4 electron sets, 2 bonds, 2 lone pairs

Answer 24

bent

Question 25

<< 109° angle

Answer 25

bent

Question 26

additive in plastics that separates layers

Answer 26

oleamide

Question 27

protein found in red muscles, supplier of oxygen

Answer 27

myoglobin

Question 28

part of myoglobin that filters CO to absorb O2

Answer 28

histidine

Question 29

how molecules interact with other molecules

Answer 29

intermolecular forces of attraction

Question 30

IMFA between ionic and polar molecules

Answer 30

ion-dipole

Question 31

IMFA between two polar molecules

Answer 31

dipole-dipole

Question 32

dipole-dipole interaction involving hydrogen

Answer 32

hydrogen bonding

Question 33

atoms that can interact with hydrogen in hydrogen bonding

Answer 33

hydrogen, nitrogen, oxygen, fluorine

Question 34

IMFA present in all molecules between the electrons at the end of orbitals

Answer 34

london dispersion forces

Question 35

rank the four IMFAs !!

Answer 35

ion-dipole > hydrogen > dipole-dipole > london dispersion

Question 36

the stronger the IMFA, the ___ the boiling point

Answer 36

higher

Question 37

separation of compounds based on polarity where a solvent passes through a stationary phase

Answer 37

chromatography

Question 38

"polar components travel farther if mobile phase is polar"

Answer 38

like dissolves like

Question 39

building blocks of fat in our bodies with both polar and nonpolar compounds

Answer 39

fatty acids

Question 40

mixture that helps mixing immiscible compounds together

Answer 40

surfacants