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.
Manganese has 25 electrons. Explanation: So on a periodic table, the atomic number(the little number guy above the chemical symbol) is also the number of protons that the atom contains. The number of protons is always the same as the number of electrons unless you got some weird ion thing. So since manganese has 25 protons, it has 25 electrons too. socratic