Science- Radioactive Dating

Which of the following statements about radioactive dating is true?

a. Radioactive decay is the rate at which new atoms form.
b. During radioactive decay, atoms break down, releasing particles or energy.
c. The rate of decay of a radioactive element cannot be approximated.
d. The number of radioactive atoms in a sample will always remain constant.

B

Geologists use radioactive dating to:

a. determine the relative age of rock layers.
b. tell the difference between molds and casts.
c. tell where one soil horizon ends and the next one begins.
d. determine the absolute age of rocks.

D

If the half-life of a 20.0 g sample is known to be 24 minutes, how long will it take for only 5.0 grams of the sample to remain?

a. 6 minutes
b. 24 minutes
c. 48 minutes
d. 96 minutes

C

  1. 👍 10
  2. 👎 1
  3. 👁 13,087
  1. looks good to me.

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  2. Connections Academy?

    1. 👍 37
    2. 👎 4
  3. 1- B
    2- D
    3- D
    4- C

    1. 👍 254
    2. 👎 5
  4. Emz answers are correct. I got a 5/5 100% A.

    1. 👍 35
    2. 👎 3
  5. EMZ Is correct, I got 4/4.

    1. 👍 17
    2. 👎 0
  6. 1- B
    2- D
    3- D
    4- C
    100%

    1. 👍 28
    2. 👎 2
  7. 1.B
    2.D
    3.D
    4.C

    4/4 (100%)

    1. 👍 23
    2. 👎 4
  8. This is wrong

    1. 👍 1
    2. 👎 28
  9. nvm i wasn't

    1. 👍 9
    2. 👎 6
  10. Ms. Sue how would you know that you diarrhea is delicious, you wouldhave tried it yourself.

    1. 👍 8
    2. 👎 7
  11. Thank you so much Emz, because of you i got 100% ;) Love You!

    1. 👍 5
    2. 👎 2
  12. 100% love yalll! avery is wrong it is
    a
    b
    b
    d
    trust me!100% i got

    1. 👍 1
    2. 👎 24
  13. b d d c is right

    1. 👍 10
    2. 👎 1
  14. BDDC IS RIGHT YALL

    1. 👍 9
    2. 👎 1
  15. Bddc is 100% correct for connections grade 7b unit 3 lesson 3

    1. 👍 7
    2. 👎 0
  16. B
    D
    D
    C

    1000% RIGHT

    1. 👍 6
    2. 👎 1
  17. B
    D
    D
    C

    1. 👍 5
    2. 👎 1
  18. Yes, the correct answers are B,D,D,C. Please try this on your own next time though. You will learn much more!

    1. 👍 3
    2. 👎 4
  19. B
    D
    D
    C

    1. 👍 5
    2. 👎 1
  20. B
    D
    D
    C
    Trust me 100%

    1. 👍 5
    2. 👎 1
  21. B
    D
    D
    C
    Thanks jiskha fam

    1. 👍 7
    2. 👎 1
  22. Thanks y'all! I got 100% <3

    1. 👍 3
    2. 👎 1
  23. yep its correct

    1. 👍 3
    2. 👎 0
  24. B
    D
    D
    C

    is correct! Thanks!

    1. 👍 6
    2. 👎 0
  25. B
    B
    C
    D
    is the correct answers

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    2. 👎 6
  26. no

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    2. 👎 2
  27. yes all correct

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    2. 👎 2
  28. B
    D
    D
    C
    is correct

    1. 👍 4
    2. 👎 0
  29. hi im dead

    1. 👍 5
    2. 👎 8
  30. the right answer is b,d,d,c got a 4/4

    1. 👍 3
    2. 👎 0
  31. Right answers are B D D C, but please just use answers to check your work !

    1. 👍 8
    2. 👎 0
  32. Its wrong i got 2/4

    1. 👍 1
    2. 👎 8
  33. b
    d
    d
    c

    1. 👍 6
    2. 👎 0
  34. B D D C

    1. 👍 6
    2. 👎 0
  35. BDDC is correct!!!!!!!!

    1. 👍 3
    2. 👎 0
  36. drugs are bad kids

    except me

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    2. 👎 7
  37. um ok

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  38. EMZ I HOPE YOU ARE RIGHT I AM SUBMITING MY TEST...…………..
    YAAAAAAAAAAA YOU WERE CORRECT THANK YOU!!!!!!

    1. 👍 0
    2. 👎 0
  39. Yes, indeed. Everyone is right except for j, he is absolutely incorrect.

    The correct answers are the following:

    B) During radioactive decay, atoms break down, releasing particles or energy

    D) half-life

    D) determine the absolute age of rocks

    C) 48 minutes

    Just as everyone else is saying, these are the correct answers.

    1. 👍 8
    2. 👎 0
  40. ABBD is Incorrect DOn't worry I didn't try it I did BDDC BDDC is correct.

    1. 👍 4
    2. 👎 1
  41. Are you guys from Connections Academy? I am. Like if you are. Here are the answers for the whole assessment:
    1. B
    2. D
    3. D
    4. C

    1. 👍 8
    2. 👎 0
  42. 1. B- During radioactive decay, atoms break down, releasing particles or energy.
    2. D- half-life
    3. D- determine the absolute age of rocks.
    4. C- 48 minutes

    1. 👍 3
    2. 👎 0
  43. WHERE THE HELL IS HALF LIFE 3 AT

    1. 👍 0
    2. 👎 3
  44. B
    D
    D
    C

    Correct Me If I am Wrong! (Please X3)

    1. 👍 5
    2. 👎 0
  45. Tmf you are right

    1. 👍 1
    2. 👎 0
  46. Thanks got 100%
    B
    D
    D
    C

    1. 👍 3
    2. 👎 0
  47. btw thx

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  48. trust bddc

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    2. 👎 0
  49. answers: B, D,D, C

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    2. 👎 0
  50. thanks emz

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    2. 👎 0
  51. 1.B
    2.D
    3.D
    3.C

    1. 👍 2
    2. 👎 0
  52. *oops i mean
    1.B
    2.D
    3.D
    4.C

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    2. 👎 0
  53. Radioactive dating quick check answers:
    1.B
    2.D
    3.D
    4.C

    1. 👍 2
    2. 👎 0
  54. yeah ok budd

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  55. Thx peeps

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    2. 👎 0
  56. I would have got it all right but I press D and not C but yes this VERY correct

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    2. 👎 0
  57. BDDC is so correct!!!!!!!😝

    1. 👍 3
    2. 👎 0
  58. @J is soooo wrong it is rightbc I just took the test and bbdc is right!J, get your facts right oolololll9l99llollollllollllllllllolollololollolloollllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllloooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

    1. 👍 3
    2. 👎 1
  59. EMZ IS A BRAWL STARS CHARATHER

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  60. 1.B
    2.D
    3.D
    4.C
    Still the same thanks everyone

    1. 👍 1
    2. 👎 0
  61. B
    D
    D
    C
    It's right ☺️ 💯 for my 2020 and 2021 kids

    1. 👍 0
    2. 👎 0
  62. Thank you Emz!!

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    2. 👎 0

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