Textbook Question
What is the energy change ∆E (in kJ/mol) when an a particle is emitted from 174Ir? The atomic mass of 174Ir is 173.96666 the atomic mass of 170Re is 169.95804, and the atomic mass of a 4He atom is 4.00260.
21. Nuclear Chemistry
Intro to Radioactivity
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
An alpha particle consists of __________ .
A
1 neutron and 1 proton
B
2 neutrons and no protons
C
4 neutrons and no protons
D
2 neutrons and 1 proton
E
2 neutrons and 2 protons
Verified step by step guidance1
Understand the composition of an alpha particle: An alpha particle is a type of nuclear particle that is emitted during radioactive decay.
Recall the structure of an alpha particle: It consists of 2 protons and 2 neutrons, which is equivalent to a helium nucleus.
Review the options provided: Compare each option with the known composition of an alpha particle.
Identify the correct option: The correct composition of an alpha particle is 2 protons and 2 neutrons.
Conclude with the correct answer: The correct answer is not listed in the options provided, but it should be 2 neutrons and 2 protons.
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