ARRT Level 1 Module 1 JKO
How plenty radioactivity is left?
Initial Activity- 17 Ci of Cf-252
Time Elapsed- 6 years, 7 months
Half Life- 2.6 years - ANS-2.87 Curies
How a lot radioactivity is left?
Initial Activity- 310 Ci of Co-60
Time Elapsed- 12 years, 2 months
Half Life- 5.27 years - ANS-sixty two.6 Curies
How plenty radioactivity is left?
Initial Activity- 8 Ci of Cs-137
Time Elapsed- 21 years, 4 months
Half Life- 30 years - ANS-four Curies (is probably incorrect, sorry!)
How an awful lot radioactivity is left?
Initial Activity- 6 Ci of Sr-90
Time Elapsed- 16 years, 3 months
Half Life- 28.8 years - ANS-four.06 Curies
If uranium has 92 protons and an isotope has 143 neutrons, what is the mass wide variety of the
isotope? - ANS-235
Is an isotope has an atomic range of ninety two and a mass wide variety of 196, what's the
number of neutrons? - ANS-104
Match the atomic debris with their respective charges. - ANS-Electron- Negative
Nucleus- Neutral
Proton- Positive
What is the time period used to describe the real mass of an atom? - ANS-Atomic Weight
What is the time period used to explain the variety of protons and neutrons in the atom? -
ANS-Atomic Mass
What is the term used to describe the quantity of protons in the nucleus of an atom? -
ANS-Atomic Number
What is the time period used to explain the time required for the pastime found in a radioactive
cloth to be decreased to 1 half of of the original activity? - ANS-Half Life
What unit is radioactivity NOT measured in? - ANS-Count Rate
How plenty radioactivity is left?
Initial Activity- 17 Ci of Cf-252
Time Elapsed- 6 years, 7 months
Half Life- 2.6 years - ANS-2.87 Curies
How a lot radioactivity is left?
Initial Activity- 310 Ci of Co-60
Time Elapsed- 12 years, 2 months
Half Life- 5.27 years - ANS-sixty two.6 Curies
How plenty radioactivity is left?
Initial Activity- 8 Ci of Cs-137
Time Elapsed- 21 years, 4 months
Half Life- 30 years - ANS-four Curies (is probably incorrect, sorry!)
How an awful lot radioactivity is left?
Initial Activity- 6 Ci of Sr-90
Time Elapsed- 16 years, 3 months
Half Life- 28.8 years - ANS-four.06 Curies
If uranium has 92 protons and an isotope has 143 neutrons, what is the mass wide variety of the
isotope? - ANS-235
Is an isotope has an atomic range of ninety two and a mass wide variety of 196, what's the
number of neutrons? - ANS-104
Match the atomic debris with their respective charges. - ANS-Electron- Negative
Nucleus- Neutral
Proton- Positive
What is the time period used to describe the real mass of an atom? - ANS-Atomic Weight
What is the time period used to explain the variety of protons and neutrons in the atom? -
ANS-Atomic Mass
What is the term used to describe the quantity of protons in the nucleus of an atom? -
ANS-Atomic Number
What is the time period used to explain the time required for the pastime found in a radioactive
cloth to be decreased to 1 half of of the original activity? - ANS-Half Life
What unit is radioactivity NOT measured in? - ANS-Count Rate
