annihilate everything,even if it’s not on purpose. There are an uncountable number of other ways that humanity’s dive into nuclear chemistry has impacted the lives of people across the world, from medical imaging equipment to smoke detectors and even, surprisingly, to some of the food that...
Aston used his spectrometer to study hundreds of naturally occurring isotopes. Today, chemists still use the mass spectrometer to measure the molecular weights of elements, isotopes and compounds. But they also use it to identify the chemicals in a sample, determine how much of each chemical is ...
Atoms, Elements, & Compounds. Elements Element --- any substance that can’t be broken down into simpler substances. Example of an element --- Oxygen, The Structure of Atoms The structure of atoms The parts of an atom Atoms are made of several types of tiny particles. The number of each...
when your eyes glazed over as the professor talked about"molar mass"and the"Avogadro constant". Avogadro constant is about 6.02214179×1023mol-1. This means if you made a pile of 6.02214179×1023Uranium-235 atoms it would weigh exactly 235 grams. A pile of that number (one "mole") of Pl...
We do not yet know what the asteroids are made of. Many of them are extremely dark in color and have optical characteristics resembling those of a kind of meteorite called carbonaceous chondrite. The carbonaceous chondrites are made of stuff rather like terrestrial soil, containing a fair fractio...
described the achievement, “We brought it to an almost human scale. We can poke it and prod it and look at this stuff in a way no one has been able to before.” BECs are related to two remarkable low-temperature phenomena:superfluidity, in which each of theheliumisotopes3He and4He fo...
Radioactive elements (isotopes) tend to eject all sorts of stuff…gamma’s, beta’s, alpha’s (a helium nucleus) not just neutrons (slow and fast). Only specific isotopes will eject neutrons.” Yes, though in the case of our plutonium bomb, neutrons are in play. ...
Rich, don’t forget the costs associated with the broad ratcheting of security requirements over the years. I find it somewhat staggering that the security staff of many NPPs outnumber the operating staff by a factor of two or three. If INPO really wants to make itself useful, it wou...
Isotopes Isotopes Atoms of the same element that Atoms of the same element that have a different number of have a different number of neutrons. neutrons. Isotopes Isotopes Two (2) or more atoms of the same element with Two (2) or more atoms of the same element with a different mass. a...
Have seen this problem at a number of new combined-cycle plants that did not fully consider how much mischief really cold air and wind can cause. We typically used blow torches and potable space heaters to “band-aid” problem and we’re back on line after a shift or so. Seriously ...