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