Exam 25: Nuclear Chemistry 1-41

The following nuclear reaction is known to occur: 2 → This reaction is used in a fusion bomb or H bomb. How many joules of energy are produced by this reaction if 33.0 g of 2H are used? You are given the following masses: electron 0.00055 amu; proton 1.00782 amu; neutron 1.00867 amu; 2H atom 2.010410 amu; atom 4.00260 amu.

In the following process, what is the missing particle? _____ + → +

Artificially induced radioactivity is caused by bombarding a nucleus with another particle.

can be prepared by electron-capture from ________.

Choose the correct word to describe the nuclear stability of the following isotope. If it is radioactive, choose the most likely mode of decay. 19F

Choose the INCORRECT statement.

Phosphorus-32 has a half-life of 14.3 days. How many grams remain from a 10.0 gram sample after 30.0 days?

Approximately what mass of a 1.00 mg sample of 131I remains after 40.2 days? The half-life of 131I is 8.04 d.

Emission of which one of the following leaves both atomic number and mass number unchanged?

The observation that a 30 g sample of C-14 has a decay rate faster than that of a 20 g sample of C-14 would be consistent with the:

Radioactive nuclides that lie above the band of stability become more stable by positron emission.

There are three radioactive series: the thorium series, which begins with 232Th, the actinium series which starts with 235U and the uranium series which starts with what isotope?

The most ionizing radiation is of what type?

The beta decay of produces an isotope of ________.

The binding energy per nucleon is largest for ________.

The most massive particle is:

Fusion is the process of combining small nuclei into larger nuclei.

The nuclear binding energy is the energy required to separate the neutrons and protons.

If 1.0 gram of an isotope has a half-life of 15 hours, the half-life of a 0.50 gram sample of the same isotope is ________.

Choose the INCORRECT statement.