Half Life - Radioactivity
Assessment
•
Mark Stinson
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Science
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7th Grade
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1K plays
•
Medium
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12 questions
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1.
MULTIPLE CHOICE
30 sec • 1 pt
The term given to unstable radioactive atoms.
2.
MULTIPLE CHOICE
30 sec • 1 pt
The % of the parent isotope remaining after 3 Half Lives.
3.
MULTIPLE CHOICE
1 min • 1 pt
The % of the parent isotope remaining after 1 Half Life.
4.
MULTIPLE CHOICE
30 sec • 1 pt
The % of the parent isotope remaining after 2 Half Lives.
5.
MULTIPLE CHOICE
45 sec • 1 pt
After one half life, a sample will begin to have more of the parent isotope than the daughter isotope.
6.
MULTIPLE CHOICE
30 sec • 1 pt
A sample will lose half of the parent isotope after 1 half life.
7.
MULTIPLE CHOICE
30 sec • 1 pt
The diagram shows 32 atoms
32 of the Red are the parent isotope
0 of the atoms are daughter isotopes
How many half-lives have occurred?
8.
MULTIPLE CHOICE
1 min • 1 pt
The diagram shows 32 atoms.
16 of the Red are parent isotopes
16 of the Green are daughter isotopes
How many half-lives have occurred?
9.
MULTIPLE CHOICE
45 sec • 1 pt
The diagram shows 32 atoms
8 of the Red are parent isotopes
24 of the Green are daughter isotopes
How many half-lives have occurred?
10.
MULTIPLE CHOICE
45 sec • 1 pt
What is the Half life of this isotope?
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