Quiz 3

Question 1

octet rule

Answer 1

atoms gain, lose, or share valence electrons in order to end up with eight valence electrons

Question 1

octet rule

Answer 1

atoms gain, lose, or share valence electrons in order to end up with eight valence electrons

Question 2

covalent bonds

Answer 2

shared pair of valence electrons

Question 3

pure substance

Answer 3

contains one element or compound

Question 4

mixture

Answer 4

combination of multiple pure substances

Question 5

cations

Answer 5

positively charged ion

Question 6

anion

Answer 6

negatively charged ion

Question 7

polyatomic ion

Answer 7

ion built from two or more atoms

Question 8

non polar bonds

Answer 8

c-c, c-h, c-s

Question 9

carbonate

Answer 9

CO3^2-

Question 10

bicarbonate

Answer 10

HCO3^-

Question 11

cyanide

Answer 11

CN^-

Question 12

phosphate

Answer 12

PO4^3-

Question 13

hydroxide

Answer 13

OH^-

Question 14

nitrate

Answer 14

NO3^-

Question 15

sulfate

Answer 15

SO4^2-

Question 16

peroxide

Answer 16

O2^2-

Question 17

ion-dipole

Answer 17

attractions between ions and polar bonds

Question 18

dipole-dipole

Answer 18

attraction between two polar molecules

Question 19

hydrogen bonds

Answer 19

attraction of an N,O, or F atom to an H that is covalently bonded to another N, O, or F atom

Question 20

london forces

Answer 20

all molecules have them

Question 21

vapor pressure

Answer 21

goes up when imfs go down and bp goes down

Question 22

viscosity

Answer 22

resistance to flow

Question 23

melting point

Answer 23

as strength of imfs increases, melting point increases