How many neutrons does neon have? How many neutrons does xenon have? What is the atomic number for argon? How many neutrons does einsteinium have? How many neutrons are in beryllium? How many neutrons does uranium-238? How many neutrons does europium 151 have?
These particles, made up of protons and neutrons, are large and can only travel a short distance -- in fact, they can be stopped with just a piece of paper or even your skin. However, inhalation or ingestion of alpha particles can be very dangerous. Once inside your body, alpha ...
In the neutral, non-charged state, every atom has the same number ofelectronsas it does protons. Elements starting with helium also contain a number ofneutronssimilar to and usually slightly in excess of the proton number. Variants of elements with different numbers of neutrons are called isotope...