Half Life Calculations

Quiz
•
Science
•
10th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the half-life of iodine-131?
32 days
8 days
16 days
24 days
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The % of the parent isotope remaining after 1 Half Life.
50%
25%
12.5%
6.25%
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
1 min • 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?
0
1
2
3
Tags
NGSS.HS-PS1-8
4.
MULTIPLE CHOICE QUESTION
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?
0
1
2
3
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If 20 g of copper-64 has a half-life of 13 hours, what mass of copper-64 will remain after 26 hours?
20 g
10 g
5 g
2.5 g
Tags
NGSS.HS-PS1-8
6.
MATH RESPONSE QUESTION
1 min • 1 pt
How many seconds does it take a 100.0g sample of Arsenic-81, with a half-life of 33.0 seconds, to decay to 6.250g?
Mathematical Equivalence
ON
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How much of an 80 g sample will remain after 21.2 years?
40 g
20 g
10 g
5 g
Tags
NGSS.HS-PS1-8
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