What is Nuclear Chemistry?
Nuclear Chemistry

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•
Chemistry
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Nuclear Chemistry is the study of the chemical and physical properties of elements as influenced by changes in the structure of the nucleus. It includes the study of radioactivity, nuclear processes, and properties of radioactive isotopes.
2.
FLASHCARD QUESTION
Front
Which isotope is radioactive: H-1, N-14, Rn-222, or Na-23?
Back
Rn-222 is radioactive.
3.
FLASHCARD QUESTION
Front
What is a beta particle?
Back
A beta particle is an energetic electron emitted from a decomposed neutron during beta decay.
4.
FLASHCARD QUESTION
Front
Solve for beta decay: 6^14C = ___ + -1^0e.
Back
7^14N.
5.
FLASHCARD QUESTION
Front
What is the half-life of a radioactive substance?
Back
The half-life is the time required for half of the radioactive atoms in a sample to decay.
6.
FLASHCARD QUESTION
Front
How long does it take for 180 grams of gold-198 to decay to 22.5 grams if its half-life is 2.68 days?
Back
8.04 days.
7.
FLASHCARD QUESTION
Front
What is an alpha particle?
Back
An alpha particle is a helium nucleus consisting of two protons and two neutrons.
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