Wiktionary (0.00 / 0 votes) Rate this definition: floater (Noun) Agent noun of float; one who floats. floater (Noun) An employee of a company who does not have fixed tasks to do but fills in wherever needed, usually when someone else is away. floater (Noun)
25Mn-55 (the naturally occurring isotope) has 25 protons, 25 electrons and 30 neutrons, 25Mn-54 has 29 neutrons instead but is not a stable isotope. 25Mn-55 (the naturally occurring isotope) has 25 protons, 25 electrons and 30 neutrons, 25Mn-54 has 29 neutrons instead but is not a stable isotope.
There are 26 protons, 30 neutrons, and 26 electrons. To find the  protons, look at the periodic table. Iron (Fe) has an atomic number  of 26, so that's also how many protons â¦ it has. Since it is not an  ion, it has to have the same number of electrons as protons, so  there are also 26 electrons.