Two isotopes have the same
a. mass number.
b. neutron number.
c. atomic number.
d. quantum number.
e. none of the above
[Ques. 2] The number of protons in a nucleus is the
a. mass number.
b. neutron number.
c. atomic number.
d. isotope number.
e. none of the above
[Ques. 3] What's an isotope?
a. a radioactive material
b. an atom of an element with a different number of neutrons in the nucleus
c. an electrically charged atom
d. none of the above
[Ques. 4] An alpha particle is like with 2 protons and 2 neutrons, whereas a beta particle is equivalent to hydrogen.
a. True
b. False
Indicate whether the statement is true or false
[Ques. 5] Einstein's equation E = mc2 states that when a particle loses energy, the result is an increase in mass of the particle.
a. True
b. False
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[Ques. 6] After three half-lives, 3/4 of the nuclei in a sample of a radioisotope have decayed
a. True
b. False
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[Ques. 7] The energy of nuclear radiation as it is absorbed mostly goes to heat the material.
a. True
b. False
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[Ques. 8] A nuclear reactor could explode like an atomic bomb.
a. True
b. False
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[Ques. 9] Magnetic confinement is used in controlled fusion experiments to control a plasma.
a. True
b. False
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[Ques. 10] The mass of an atom of carbon-12 (Z = 6) is less than the mass of 6 protons and 6 neutrons because of binding energy.
a. True
b. False
Indicate whether the statement is true or false
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