Who discovered the atomic nucleus?
Atomic Nucleus

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Chemistry, Science, Physics
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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
JJ Thompson
Niels Bohr
Albert Einstein
Ernest Rutherford
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the element of an atom?
Number of protons
Number of electrons
Number of isotopes
Number of neutrons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an isotope?
Atoms with the same number of electrons but different numbers of protons
Atoms with the same number of protons and neutrons
Atoms with the same number of protons but different numbers of neutrons
Atoms with the same number of neutrons but different numbers of protons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of uranium?
92
238
143
146
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of radiation involves the emission of two protons and two neutrons?
Beta radiation
Gamma radiation
Neutron radiation
Alpha radiation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of uranium-238?
3.5 billion years
2.5 billion years
1 billion years
4.5 billion years
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an element when it undergoes alpha decay?
It gains two neutrons
It loses two protons and two neutrons
It loses two electrons
It gains two protons
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