CHE 02A - General Chemistry

Question 1

how to write isotopes?

Answer 1

A(mass) Z(atomic) on left of element symbol

Question 2

chemical formula def

Answer 2

writing symbols and subscripts with some relative connectivity

Question 3

molecular formula def

Answer 3

writing symbols and subscripts without relative connectivity

Question 4

empirical formula def

Answer 4

writing symbols with simplified subscripts (not divisible as whole)

Question 5

condensed structural formula

Answer 5

writing symbols and subscripts with more relative connectivity than chemical formula (sometimes identical)

Question 6

nitrate formula

Answer 6

NO3(-)

Question 7

nitrite formula

Answer 7

NO2(-)

Question 8

acetate formula

Answer 8

CH3CHOO(-)

Question 9

chlorate formula

Answer 9

ClO3(-)

Question 10

carbonate formula

Answer 10

CO3(2-)

Question 11

sulfate formula

Answer 11

SO4(2-)

Question 12

chromate formula

Answer 12

CrO4(2-)

Question 13

phosphate formula

Answer 13

PO4(3-)

Question 14

cyanide formula

Answer 14

CN(-)

Question 15

chlorite formula

Answer 15

ClO2(-)

Question 16

carbonite formula

Answer 16

CO2(2-)

Question 17

sulfite formula

Answer 17

SO3(2-)

Question 18

chromite formula

Answer 18

CrO3(2-)

Question 19

phosphite formula

Answer 19

PO3(3-)

Question 20

hydroxide formula

Answer 20

OH(-)

Question 21

bicarbonate formula

Answer 21

HCO3(-)

Question 22

bisulfate formula

Answer 22

HSO4(-)

Question 23

ammonia formula

Answer 23

NH3(-)

Question 24

ammonium formula

Answer 24

NH4(+)

Question 25

if -ate oxyanion has one more oxygen, how to name?

Answer 25

per-ate

Question 26

is ite-oxyanion has one less oxygen, how to name?

Answer 26

hypo-ite

Question 27

naming acids:

if anion has no oxygen, how to name?

Answer 27

hydro-ic

Question 28

naming acids:

if anion has oxygen, how to name?

Answer 28

-ic if -ate, -ous if -ite

Question 29

latin names: Fe (III)

Answer 29

Ferric

Question 30

latin names: Fe (II)

Answer 30

Ferrous

Question 31

latin names: Cu (II)

Answer 31

Cupric

Question 32

latin names: Cu (I)

Answer 32

Cuprous

Question 33

latin names: Co (III)

Answer 33

Cobaltic

Question 34

latin names: Co (II)

Answer 34

Cobaltous

Question 35

latin names: Sn (IV)

Answer 35

stannic

Question 36

latin names: Sn (II)

Answer 36

stannous

Question 37

latin names: Pb (IV)

Answer 37

plumbic

Question 38

latin names: Pb (II)

Answer 38

plumbous

Question 39

latin names: Hg (II)

Answer 39

Mercuric

Question 40

latin names: Hg (I)

Answer 40

Mercurous

Question 41

celsius to kelvin conversion?

Answer 41

add 273

Question 42

celsius to fahrenheit?

Answer 42

9/5(c)+32

Question 43

how many cm in inch?

Answer 43

2.54

Question 44

bromate formula

Answer 44

BrO(-3)

Question 45

if a compound is both ionic and soluble, is it a weak or strong electrolyte?

Answer 45

strong