Unit 2: Half-life - Graphs

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Based on this chart , what is the half life of carbon 12 that is used for dating objects up to 60, 000 yrs old? A. 5,730 yrs B. 11, 460 yrs C. 17,190 yrs D. 22,920 yrs

A

What is the half life of iodine 131? A. 8 days B. 16 days C. 24 days D. 50 days

A

What is the half life of this element? A. 10 yrs B. 20 yrs C. 50 yrs D. 100 yrs

A

What is the half life? A. 37 yrs B. 74 yrs C. 111 yrs D. 148 yrs

A

Which element has the shortest halflife? A. A B. B C. C D. D

A

According to column N on the right, how many atoms are lost during each half life? A. 1/4 B. 1/2 C. 500,000 D. 250,0000

B

According to this chart how many atoms are lost each half life? A. 1 B. 1/2 C. 1/4 D. 1/16

B

What is the half life of this element? A. 50 years B. 25 yrs C. 100 yrs D. 75 yrs

B

What is the half life of cesium 137? A. 50 yrs B. 25 yrs C. 30 yrs D. 90 yrs

C

What is the half life of sodium 24? A. 200 yrs B. 400 yrs C. 15 yrs D. 20 yrs

C

What is the half life of this element? A. 80 days B. 40 days C. 2 days D. 4 days

C

What is the half life of this element? A. 80 days B. 40 days C. 5 days D. 10 days

C

What is the half life of Strontium-90? A. 10 yrs B. 5 yrs C. 50 yrs D. 25 yrs

D


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