Multiple Choice
How was radioactivity discovered?
A) Rutherford was investigating the structure of Au atoms and discovered alpha particles.
B) Marie Curie was investigating the existence of uranic rays that occurred in some minerals.
C) Becquerel was studying X-rays and phosphorescence to see if they were related.
D) Benjamin Franklin was studying the creation of electrical current from the ionization of gases due to radioactive particles.
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q98: The combination of two light nuclei to
Q99: Radioactivity is the emission of tiny,invisible radio
Q100: All elements with atomic numbers above bismuth
Q101: What is the missing particle? <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6110/.jpg"
Q102: What happens to the mass number of
Q104: Nuclear fusion:<br>A)is the formation of heavier elements
Q105: Which of the following isotopes contains the
Q106: The reaction <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6110/.jpg" alt="The reaction
Q107: In a Geiger-Muller counter,radioactive particles pass through
Q108: Nuclear power:<br>A)generates 20% of the electricity needed