How many atoms can be on one element? How are noble gases different from most other natural elements? How is atomic number related to core electrons? How can you tell isotopes of the same element apart? A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which el...
How can carbon isotopes reveal the presence or absence of ancient life on Earth?Radioactive Isotopes:Isotopes are atoms of an element that vary in the number of neutrons contained in their nucleus. Some isotopes are radioactive, which means that they are unstable and decay to f...
How many isotopes does californium have? Is carbon-12 an isotope? How can you tell isotopes apart? How many stable isotopes does uranium has? How to find atomic mass of a compound What is the difference between percent and relative abundance? How many neutrons are in carbon-14? What is th...
Across the U.S., large-scale power outages often happen during severe weather events. These outages can have serious economic and health consequences, disrupting essential services such as medical equipment, heating, and air conditioning. As climate change leads to more frequent and intense weathe...
In the next section, we'll explore the various protective barriers between you and the atomic heart of the plant. Outside a Nuclear Power Plant As you can tell by looking at this photograph of Germany's Brokdorf nuclear plant, concrete plays an important role in containing radioactive ...
Most people will tell you Marie Curie discovered radiation, along with her husband and research partner Pierre. And that's right -- sort of. Curie actually discovered the element radium in 1898, an accomplishment that would make her the first female recipient of the Nobel Prize. However, three...
By studying the amounts of specific elements and their isotopes in organic remains archaeological scientists can tell us a lot about that organism's life: where someone grew up, what they ate, and, in the case of a plan...
Angola rocks and fossils tell the whole story Africa and South America started to split around 140 million years ago, causing gashes in Earth’s crust called rifts to open up along pre-existing weaknesses. As the tectonic plates beneath South America and Africa moved apart, magma fro...
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Carbon has lots of isotopes, the two best known being carbon-12 (ordinary, stable carbon atoms with six protons, six neutrons, and six electrons) and carbon-14 (with six protons, eight neutrons, and six electrons). Having more (or fewer) neutrons than the ideal can make an atom so ...