Halflife Chart
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Halflife Chart
Quiz
•
Chemistry
•
8th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Charles Martinez
Used 2+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many parent atoms are present at time = 0?
0
10
20
5
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many parent atoms remain undecayed after 1 half-life?
20
10
5
15
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many of the atoms have decayed to daughter atoms after 2 half-lifes?
10
5
15
2.5
Tags
NGSS.HS-PS1-8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of the radioactive substance?
50%
25%
5 years
10 years
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much radioactive material is left after 10 years?
6.25%
50%
25%
12.5%
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much non-radioactive material is there after 3 half-lifes?
87.5%
25%
12.5%
75%
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much radioactive material remains after 20 years?
100%
25%
6.25%
3.125%
Tags
NGSS.HS-PS1-8
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