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Ch. 25 Nuclear Changes Part 2
Test Description: Nuclear Changes and Radioactivity
Instructions: Answer all questions to get your test result.
1) Are composed of Electrons and are faster and more penetrating than alpha particles.
A
gamme
B
alphe
C
Beta
D
gamma
2) Is made of electric magnetic waves, has no mass or charge and is the most penetrating form of radiation.
A
Alpha
B
Mamma
C
Beta
D
Gamma
3) The total amount of fissionable material required for fission is called?
A
a bomb
B
critical mass
C
starting spot
D
activation energy
4) The release of matter and energy from nuclear decay is called?
A
power
B
radioactivity
C
tranmutation
D
strong force
5) The amojunt of time it takes for half the nuclei in a radioactive sample to decay?
A
half life
B
whole life
C
5 years
D
1 hour
6) A form of radiation that travels in waves.
A
alpha
B
gamma
C
delta
D
beta
7) Elements with an atomic number greater than _______ are synthetic.
A
100
B
93
C
89
D
68
8) Energy in the sun is produced as a result of nuclear_____________?
A
fusion
B
fission
C
power
D
radiation
9) Elements greater than ________ are radioactive.
A
93
B
100
C
68
D
84
10) When an electron that is produced when a neutron decays is called?
A
an alpha particle
B
gamma radiation
C
beta particle
D
negatron
*select an answer for all questions
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