This reaction is an example of ___________.

a. electron capture

b. positron decay

c. alpha decay

d. gamma emission

e. beta decay

Atoms with the same atomic number and different mass numbers ____________.

a. are allotropes

b. do not exist

c. are isotopes

d. are isomers

e. are resonance structures

What is emitted in the nuclear transmutation, ?

a. A proton

b. An alpha particle

c. A beta particle

d. A neutron

e.A gamma photon

The reaction shown below is responsible for creating 14C in the atmosphere. What is the bombarding particle?

a.Positron

b.Neutron

c. Electron

d.Alpha particle

e.Proton

How many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a nitrogen-15 nucleus to produce a nucleus?

a.Four

b. Zero

c. Three

d. One

e. Two

131I has a half-life of 8.04 days. Assuming you start with a 1.53 mg sample of 131I, how many mg will remain after 13.0 days?

a. 0.440

b.0.422

c. 0.835

d. 0.268

e. 0.499

What is the rate constant (in min-1) for the decay of this radionuclide?

a. 0.0224

b. 0.0242

c. 0.0324

d. 30.9

e. 44.64

When two atoms of 2H are fused to form one atom of 4He, the total energy evolved is 3.83 x 10-12 J. What is the total change in mass (in Kg) for this reaction?

(C = 3.00 x 108 m/s)

a. 4.26 x 10-26

b. 4.26 x 10-29

c. 3.45 x 108

d. 1.28 x 10-17

e. 1.15

The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the binding energy per nucleon (in J) of a nucleus?

(The mass of a cobalt-60 nucleus is 59.9338 amu.)

a. 2.487 x 10-12

b. 7.009 x 10-14

c. 1.368 x 10-12

d. 9.432 x 10-13

e. 3.039 x 10-12

The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the mass defect (in amu) of a nucleus?

(The mass of a nickel-60 nucleus is 59.9308 amu.)

a. 1.3066

b. 1.2374

c. 0.5505

d. 28.7930

e. 0.5449

a. electron capture

b. positron decay

c. alpha decay

d. gamma emission

e. beta decay

Atoms with the same atomic number and different mass numbers ____________.

a. are allotropes

b. do not exist

c. are isotopes

d. are isomers

e. are resonance structures

What is emitted in the nuclear transmutation, ?

a. A proton

b. An alpha particle

c. A beta particle

d. A neutron

e.A gamma photon

The reaction shown below is responsible for creating 14C in the atmosphere. What is the bombarding particle?

a.Positron

b.Neutron

c. Electron

d.Alpha particle

e.Proton

How many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a nitrogen-15 nucleus to produce a nucleus?

a.Four

b. Zero

c. Three

d. One

e. Two

131I has a half-life of 8.04 days. Assuming you start with a 1.53 mg sample of 131I, how many mg will remain after 13.0 days?

a. 0.440

b.0.422

c. 0.835

d. 0.268

e. 0.499

What is the rate constant (in min-1) for the decay of this radionuclide?

a. 0.0224

b. 0.0242

c. 0.0324

d. 30.9

e. 44.64

When two atoms of 2H are fused to form one atom of 4He, the total energy evolved is 3.83 x 10-12 J. What is the total change in mass (in Kg) for this reaction?

(C = 3.00 x 108 m/s)

a. 4.26 x 10-26

b. 4.26 x 10-29

c. 3.45 x 108

d. 1.28 x 10-17

e. 1.15

The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the binding energy per nucleon (in J) of a nucleus?

(The mass of a cobalt-60 nucleus is 59.9338 amu.)

a. 2.487 x 10-12

b. 7.009 x 10-14

c. 1.368 x 10-12

d. 9.432 x 10-13

e. 3.039 x 10-12

The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the mass defect (in amu) of a nucleus?

(The mass of a nickel-60 nucleus is 59.9308 amu.)

a. 1.3066

b. 1.2374

c. 0.5505

d. 28.7930

e. 0.5449

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