What happens to protons in a neutron star after a supernova?
Conservation of Nucleon Number

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Science, Physics, Chemistry
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They are converted into electrons.
They are converted into neutrons.
They remain unchanged.
They are ejected from the star.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In AZX notation, what does 'Z' represent?
The mass number
The atomic number
The number of neutrons
The chemical symbol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During a fission reaction involving uranium-235, what is produced alongside krypton-92 and barium-141?
Two neutrons
Three neutrons
Four neutrons
No neutrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of fusing deuterium and tritium in the Sun?
Carbon
Nitrogen
Oxygen
Helium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of radiation requires a long section of lead to be stopped?
Neutron radiation
Gamma radiation
Beta radiation
Alpha radiation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In alpha decay, what is emitted from the nucleus?
Three protons and three neutrons
Four protons and four neutrons
Two protons and two neutrons
One proton and one neutron
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In beta decay, what happens to a neutron?
It is converted into a proton.
It is converted into an electron.
It is converted into a gamma ray.
It remains unchanged.
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