i need help in science smart people please help
2007-02-03 04:58:35 · 3 answers · asked by nae-nae from da way-way 1 in Science & Mathematics ➔ Chemistry
Astatine is a radioactive element that has many different mass numbers(mass no is no of protons+no of neutrons) but a stable atomic number of 85 this means that astatine has a stable number of electrons: 85 and stable no of protons : 85, but it has different no of neutrons (isotopic) and those range between 106 and 138 with a most occuring number of 125.
2007-02-03 05:18:27 · answer #1 · answered by Anonymous · 0⤊ 0⤋
This Site Might Help You.
RE:
how mant protons,neutrons,and electrons are in a Astatine?
i need help in science smart people please help
2015-08-10 05:01:31 · answer #2 · answered by Brande 1 · 0⤊ 0⤋
well, take the periodic table !!!
85 protons and electrons and 210-85=125 neutrons
2007-02-03 05:16:00 · answer #3 · answered by scientific_boy3434 5 · 0⤊ 0⤋