Which of these pertains to the process by which elements are formed within stars? A. Star formation 1. C. Stellar Nucleosynthesis D. Supernova Nucleosynthesis В. Stellar Evolution f light elements lighter than

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Chapter25: Nuclear Chemistry
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Which of these pertains to the process by which elements are formed within stars?
A. Star formation
Stellar Evolution
1.
C. Stellar Nucleosynthesis
D. Supernova Nucleosynthesis
В.
-2. Which of the following are TRUE about the formation of light elements lighter than
iron in the core of the stars?
1. When there is an input of energy from nuclear fission reactions, the elements are
formed.
II. When the elements combine, they produce a nucleus with a mass greater than
the sum of their masses.
II. When the elements combine, they release energy that can fuel the nuclear
fusion reactions within the star.
IV. When the elements combine they produce a nucleus with a mass less than or
equal to the sum of their masses.
A. Tand II
C. Il and III
B. Iand IlII
D. III and IV
Two nuclei of the same element fused to form Berrylium-8. Which of the following
is the identity of the nuclei that underwent nuclear fusion?
3.
A. Deuterium
C. Helium-4
B. Helium-3
D. Tritium
Which of the following is equal to the atomic number of an element?
A. Number of protons
4.
C. Number neutrons
B. Number of electrons
D. Mass number
5. Bromine-82 undergoes a nuclear reaction and produced Krypton-82. Which of the
following is the nuclear reaction that happened in Bromine-82?
A. Alpha decay
B. Beta decay
C. Gamma emission
D. Neutron capture
6. Which of the following reactions is not part of the alpha ladder?
A. 24MB12 + Hez 28Si14
B. 31P15 + Hez
C. 36Ar1s + Hez →"Ca20
D. "Tiz2 + "Hez -48Cr24
35 Cl17
Transcribed Image Text:Which of these pertains to the process by which elements are formed within stars? A. Star formation Stellar Evolution 1. C. Stellar Nucleosynthesis D. Supernova Nucleosynthesis В. -2. Which of the following are TRUE about the formation of light elements lighter than iron in the core of the stars? 1. When there is an input of energy from nuclear fission reactions, the elements are formed. II. When the elements combine, they produce a nucleus with a mass greater than the sum of their masses. II. When the elements combine, they release energy that can fuel the nuclear fusion reactions within the star. IV. When the elements combine they produce a nucleus with a mass less than or equal to the sum of their masses. A. Tand II C. Il and III B. Iand IlII D. III and IV Two nuclei of the same element fused to form Berrylium-8. Which of the following is the identity of the nuclei that underwent nuclear fusion? 3. A. Deuterium C. Helium-4 B. Helium-3 D. Tritium Which of the following is equal to the atomic number of an element? A. Number of protons 4. C. Number neutrons B. Number of electrons D. Mass number 5. Bromine-82 undergoes a nuclear reaction and produced Krypton-82. Which of the following is the nuclear reaction that happened in Bromine-82? A. Alpha decay B. Beta decay C. Gamma emission D. Neutron capture 6. Which of the following reactions is not part of the alpha ladder? A. 24MB12 + Hez 28Si14 B. 31P15 + Hez C. 36Ar1s + Hez →"Ca20 D. "Tiz2 + "Hez -48Cr24 35 Cl17
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