Atomic and Nuclear Physics

Atomic and Nuclear Physics
The elements whose atomic number is greater than 82 are naturally
unstable nuclei
stable nuclei
positive nuclei
negative nuclei
Author: rikazzz Comment
Atomic and Nuclear Physics
Radium-226 has a half-life of
1160 years
1340 years
1580 years
1620 years
Author: rikazzz Comment
Atomic and Nuclear Physics
The number of protons inside nucleus represents
atomic mass
atomic number
atomic count
radioactivity level
Author: rikazzz Comment
Atomic and Nuclear Physics
Times a proton is heavier than an electron is
1827
1876
1836
1789
Author: rikazzz Comment
Atomic and Nuclear Physics
The number of neutrons in the nucleus is called
neutron number (N)
atomic number (Z)
atomic mass number (A)
electron number (E)
Author: rikazzz Comment
Atomic and Nuclear Physics
The half-life of Carbon-14 is
23 years
1000 years
1200 years
5730 years
Author: rikazzz Comment
Atomic and Nuclear Physics
Technimum-99 has a half-life of 6 hours. If there is 300 mg of it, how much will be left in 48 hours?
1.58 mg
1.25 mg
1.17 mg
2.56 mg
Author: rikazzz Comment
Atomic and Nuclear Physics
The strength of radiations to penetrate a certain material is known as
splitting power
ionization power
penetrating power
radiation power
Author: rikazzz Comment
Atomic and Nuclear Physics
The lifetime of unstable nuclei is
limited
unlimited
100 years
50 years
Author: rikazzz Comment
Atomic and Nuclear Physics
Radioisotope for treating cancer tumors and cells is
Phosphorous-32
carbon-14
cobalt-60
cobalt-59
Author: rikazzz Comment

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