A) α decay.
B) β decay.
C) positron decay.
D) electron capture.
E) γ decay.
Correct Answer
verified
A) 1460 yr
B) 1910 yr
C) 3350 yr
D) 3820 yr
E) 9080 yr
Correct Answer
verified
A) Ac-234
B) Pa-234
C) Ac-235
D) Pa-235
E) Ac-233
Correct Answer
verified
A) Positrons
B) Neutrons
C) Alpha
D) Beta
E) Gamma
Correct Answer
verified
A) protons.
B) helium atoms.
C) hydrogen atoms.
D) helium nuclei.
E) electrons.
Correct Answer
verified
A) Photonuclear reactions
B) Nuclear fission
C) Thermal conductivity
D) Nuclear combination
E) Nuclear fusion
Correct Answer
verified
A)
B)
C)
D)
E)
Correct Answer
verified
A) Californium-245
B) Thorium-257
C) Nobelium-245
D) Californium-249
E) Dubnium-249
Correct Answer
verified
A) 5.0 × 10-19 J
B) 5.4 × 1043 J
C) 6.6 × 109 J
D) 1.5 × 10-10 J
Correct Answer
verified
A)
B)
C)
D)
E)
Correct Answer
verified
Correct Answer
verified
A)
B)
C)
D)
E)
Correct Answer
verified
A) The mass reading of balance 1 will be much higher than the mass reading of balance 2.
B) The mass reading of balance 1 will be slightly higher than the mass reading of balance 2.
C) The mass reading of balance 1 will be exactly the same as the mass reading of balance 2.
D) The mass reading of balance 1 will be slightly lower than the mass reading of balance 2.
E) The mass reading of balance 1 will be much lower than the mass reading of balance 2.
Correct Answer
verified
A)
B)
C)
D)
E)
Correct Answer
verified
A)
B)
C)
D)
E)
Correct Answer
verified
A) 1 J.
B) 1 kg.
C) 1 g.
D) 1 mol.
E) 1 mg.
Correct Answer
verified
Correct Answer
verified
A) 1.32 atoms
B) 5.8 × 10-6 atoms
C) 2.4 × 1018 atoms
D) 3.3 × 1018 atoms
E) 3.5 × 1021 atoms
Correct Answer
verified
A) 3.35 × 10-14 yr-1
B) 4.96 × 10-11 yr-1
C) 1.40 × 1010 yr-1
D) 2.99 × 1013 yr-1
E) None of the answers is correct.
Correct Answer
verified
Correct Answer
verified
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