21. Nuclear Chemistry

Write a nuclear equation for the indicated decay of each nuclide.

b. Ac-227 (beta)

Write a nuclear equation for the indicated decay of each nuclide.

c. Tl-207 (beta)

Write balanced nuclear equations for the following processes:

(a) rubidium-90 undergoes beta emission.

Write the balanced nuclear equation for the reaction represented by the diagram shown here. [Section 21.2]

972

Give the symbol for (b) a beta particle.

339

Decay of which nucleus will lead to the following products: (a) bismuth-211 by beta decay?

550

What particle is produced during the following decay processes: (c) iodine-122 decays to xenon-122?

428

rank

Why does beta emission raise the atomic number of the product while positron emission lowers. the atomic number?

212

Complete and balance the following nuclear equations by supplying the missing particle: (e) 5926Fe¡ 0-1e + ?

582

Complete and balance the following nuclear equations. (a)

502

Complete and balance the following nuclear equations. (a)

212

Write a nuclear equation for the indicated decay of each nuclide. c. Pb-214 (beta)

567

What particle is produced by the decay of uranium-239 to neptunium-239?

466

Write a partial decay series for Th-232 undergoing the sequential decays: a, b, b, a.

945

What particle is produced in each of the following decay reactions? (b)

231

Write a partial decay series for Rn-220 undergoing the sequential decays: a, a, b, b.

935

What particle is produced in each of the following decay reactions? (a)

250

Fill in the missing particles in each nuclear equation. b. _____ ¡23392U + 0-1e

377

Write balanced nuclear equations for the following processes. (c) Beta emission of 188W

417

Write balanced nuclear equations for the following processes. (a) Beta emission of 157Eu

616

Americium-241, a radioisotope used in smoke detectors, decays by a series of 12 reactions involving sequential loss of a, a, b, a, a, b, a, a, a, b, a, and b particles. Identify each intermediate nucleus and the final stable product nucleus.

745

Radon-222 decays by a series of three a emissions and two b emissions. What is the final stable nucleus?

221

How many a particles and how many b particles are emitted in the 11-step decay of 235U into 207Pb?

529

Naturally occurring uranium-238 undergoes a radioactive decay series and emits 8 a particles and 6 b particles. What is the stable nucleus at the end of the series?

841

Radon-222 decays to a stable nucleus by a series of three alpha emissions and two beta emissions. What is the stable nucleus that is formed?

1275

Chlorine has two stable nuclides, 35Cl and 37Cl. In contrast, 36Cl is a radioactive nuclide that decays by beta emission. (a) What is the product of decay of 36Cl?

380

An element of atomic number 88 decays radioactively to an element of atomic number 82.

Complete these nuclear reactions with the particle that is emitted.

When a radioactive isotope releases a beta particle, the atomic number of the new element is

An unstable isotope of Re-191 is a beta producer. What is the other product of the reaction?