What radioactive element did becquerel discover?

Answer Antoine Henri Becquerel (1852-1908) discovered the radioactivity of uranium, an achievement for which he received the 1903 Nobel Prize for physics. Becquerel worked with potassium uranyl sulfate, K... Read More »

Top Q&A For: What radioactive element did becquerel discover

Is carbon a radioactive element?

The chief isotopes, carbon-12 and carbon-13, are not. However, carbon-14, a heavier isotope, is unstable and slowly decays, with a half-life of 5730 years. This makes it valuable to determine the a... Read More »

Who was the first to discover a radioactive element?

Marie and Pierre Curie, two married French scientists, discovered radioactive elements. The Curies built on previous research on uranium and coined the term "radioactivity." Marie later discovered ... Read More »

What is the radioactive isotope used in most nuclear power plants?

Most nuclear power plants use U-235, an isotope of uranium, according to the U.S. Energy Information Administration. Nuclear power plants use this particular isotope because its atoms are easy to s... Read More »

What element makes up most of the Earth's atmosphere?

Nitrogen is the most abundant element, making up 78 percent of the earth's atmosphere. Oxygen makes up 21 percent of the atmosphere. The remaining one percent is made up of various trace gases. The... Read More »