Posted by Anonymous on Thursday, October 10, 2013 at 2:41pm.
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.
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.
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
- Science- Radioactive Dating - Steve, Thursday, October 10, 2013 at 2:48pm
looks good to me.
- Science- Radioactive Dating - Rainshine, Tuesday, January 14, 2014 at 6:55pm
Answer this Question
science - during radioactive decay atoms of a radioactive element break down and...
science - Which statement best explains why dating geologic materials from the ...
science - radioactive decay occurs when atoms a) lose mass b) join with atoms of...
Science-3 questions. - Which of the following best describes the climates of ...
Science - Which of the following units are in order from smallest to largest? a...
Science - Under which of the following conditions would a fossil most likely ...
8th Grade Earth Science Help? - Which of the following terms refers to the time ...
Chemistry - How many half lives will it take for a sample of a radioactive ...
Science - What process involves the comparison of rock layers with others in a ...
Physics ... - Hi Radioactive decay - A radioactive nuclide has a decay constant...