letters
radiation
1/2 lives
element names
colors
100

f

frequency

100

paper

alpha

100

100 after 1

50

100

K

what is potassium?

100

400 nm

what is violet

200

E

Energy

200

wood/aluminum

beta
200

500 after 2

125

200

Na

Sodium

200

700 nm

what is red

300

v

velocity

300

lead

gamma

300

200 after 3

25

300

U

 what is uranium

300

500 nm

what is green

400

h 

Planck's constant

400

iron

gamma

400

1000 after 4

62.5

400

Ag

silver

400

452 nm

What is blue

500

p

momentum

500

water

neutron

500

2000 after 5

62.5

500

Pb

lead

500

600 nm

what is orange

M
e
n
u