Nuclear Decay REVIEW

Which spot represents the MASS NUMBER?

Tags

isotope notation

nuclear symbol

mass number

Which spot represents the ATOMIC NUMBER (protons)?

Tags

isotope notation

nuclear symbol

atomic number

Match the following

• beta

• 
• gamma

• 
• alpha

• 

Tags

alpha

gamma

beta

nuclear decay

Organize these options into the right categories

Groups:

(a) alpha decay

,

(b) beta decay

,

(c) gamma radiation

• mass number decreases by 4

• 
• very strong - stopped by a thick piece of lead

• 
• stopped by aluminum foil

• 
• Helium nucleus

• mass of 0 and -1 charge

• 
• mass number doesn't change but atomic number goes up by 1

• very weak - stopped by a piece of paper

• mass number & atomic number stay the same

• fast moving electron

• mass of 4 and +2 charge

• 
• atomic number decreases by 2

• 0 mass and 0 charge

• 

Tags

alpha

gamma

beta

nuclear decay

Which equation shows the correct alpha decay for Am-242?

Tags

alpha

Drag the numbers and the symbol to the correct spot:

f

d

c

92

94

U

Th

239

235

90

231

Pu

Tags

alpha decay

Label the decay equation with the correct numbers and symbol:

f

g

h

Ra

230

88

U

90

92

Th

234

238

Tags

alpha decay

Label the equation with the correct mass number, atomic number, and symbol:

f

g

h

60

26

28

Co

56

Ni

64

Fe

27

Tags

beta decay

Which equation shows the correct beta decay of potassium-40?

Tags

beta decay

Label the mass number, atomic number, and symbol:

f

g

h

234

90

Pa

Th

92

238

230

U

91

Tags

beta decay