Multiple Choice
A 40.0 gram sample of a radioactive element decays to 5.0 grams in 15 hours. What is the half-life of this element?
A) 3 hours
B) 2 hours
C) 6 hours
D) 7) 5 hours
E) 5 hours
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q14: Which of the following elements displays bonding
Q15: In translation, the first codon always codes
Q16: Which of the following is not a
Q17: Which of the following compounds contains a
Q18: What is the duodenum responsible for?<br>A)Breaking down
Q20: What property of a metal refers to
Q21: Humans store glucose in long chains called
Q22: Which veins return deoxygenated blood from the
Q23: What is the function of the myelin
Q24: A mutation in DNA that changes the