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colorless

Ions with all paired electrons are ___ (ie. Zn+2, Mg+2, Al+3)

orange

(Cr2O7)-2

purple

(MnO4)-

yellow

(CrO4)-2

green

Ni+2

bright blue

(Cu(NH3)4)+2

yellow or green

Fe+2

pink

(Co(H2O)6)+2

red or orange

Fe+3

blue

(CoCl4)-2

black or brown

metallic sulfides

yellow

chromates

white

BaCO3

white

TiO2

white

PbCL2

yellow

sulfur

yellow

PbI2

light blue

Cu(OH)2

white

AgCl

yellow

AgI

white

CaCO3

black

Ag2S

white

BaSO4

yellow-green

Cl2

yellow

Na+

red

Li, Ca+2, Sr+2

purple (pink)

K+

blue green

Cu+2

green

Ba+2

pops

H2 in flame

puts out the flame

CO2 in flame

supplied to lab burners

CH4 in flame

burns

O2 in flame

puts out the flame

N2 in flame

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