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