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The nucleus consists of protons (p) and neutrons (n), and is extremely small. ) In some types of atom, the nucleus is unstable, and will decay into a more stable atom. It's not the same as what happens in a nuclear power station (where neutrons whizz around and hit uranium nuclei, causing them to split).

We can write them as or, because they're the same as an electron, . Beta particles have a medium penetrating power - they are stopped by a sheet of aluminium or plastics such as perspex. Gamma rays do not directly ionise other atoms, although they may cause atoms to emit other particles which will then cause ionisation. I might be said to be without a friend, or relative, in the world. He was another friend, and even a relative, of the "illustrious master." Have you heard him speak of late of any relative of mine or his, called Pecksniff? To her, the relative importance of the farm to Billy was as simple as a problem in addition.The only dating methods discussed (over and over) by evolution-believing scientists and the mass media are those that supposedly "prove" that the earth is billions of years old.One of the most popular of these is known as radiometric dating. can be In other words, something in the past caused a significant amount of helium to build up inside these zircons (such as from a rapid decay episode of uranium), yet, in spite of the fact that helium has been observed to leak out readily from these zircons, it has not done so: simply because it hasn't had enough time to do so -- suggesting that the zircons themselves are only a few thousand years old."There is evidence to show ...

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