Exam 16: Nuclear Chemistry

Calculate the amount of energy released when this nuclear reaction occurs inside an atomic warhead: 1n + 235U → 137Te + 97Zr + 2 1n (235U = 235.0439 g/mol; 137Te = 136.9254 g/mol; 97Zr = 96.9110 g/mol; 1n = 1.00866 g/mol)

For the following nuclear reactions, supply the missing isotope, or elementary particle. -16O + 4He → ________

Match each of the transformations with its process. -230Th ? 226Ra

What is the mass defect of the carbon-14 isotope (in g/mol)? Carbon-14 has an atomic mass of 14.0032 g/mol.

Match each isotope with its location on the band of stability. -iron-56

Match each of the transformations with its process. -210Po ? 206Pb

Match each of the isotopes with the corresponding mechanism that provides a more stable product (a p/n ratio closer to 1) . -uranium-238

Heavy water is ________.

Match each of the isotopes with the daughter isotope produced via a beta-emission. -radon-223

What is the missing particle in the reaction below? ? + 6Li → 2 4He (alpha particles)

Which of the following half-lives is the most stable for an isotope?

Calculate the binding energy of neon-22 in J/mol. This isotope has an atomic mass of 21.9914 g/mol.

Match each of the transformations with its process. -14C ? 14N

A beta particle has a -1 charge.

Which of the following transformations is not an electron capture?

The half-life of an isotope decreases as the initial concentration decreases.

Match each of the isotopes with the daughter isotope produced via a beta-emission. -oxygen-19

An alpha particle may be represented by ________.

Match each of the isotopes with the daughter isotope produced via an alpha-emission. -meitnerium-266

Isotopes have ________.