A certain radioactive element has a half-life of one hour. If you start with a 1-g sample of the element at noon, how much of this same element will be left at 3:00 PM?
A. 0.5 gram
B. 0.25 gram
C. 0.0625 gram
D. 0.125 gram
Answer: D
Environmental & Atmospheric Sciences
You might also like to view...
Nearly all types of minerals are beautiful and valuable. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Discuss the prospects of Iran becoming a greater political force in Southwest Asia and North Africa geopolitics
What will be an ideal response?
Environmental & Atmospheric Sciences
Define "relief." What is the total relief exhibited on Earth's surface? What is the relief within the state where you live?
What will be an ideal response?
Environmental & Atmospheric Sciences
Which of the following is associated with the projections commonly used to illustrate furanoses and pyranoses?
A) E. Fischer B) W. Haworth C) L. Pauling D) L. Pasteur
Environmental & Atmospheric Sciences