The element proactinium-231 has 140 neutrons (element number 91, 91 protons).
How many neutrons would it have if it had 11 neutrons? 11.
There is no neutrons in Hitrogen.
It has 20 neutrons.
18 neutrons
117 neutrons.
61 neutrons 47 protons and 47 neutrons
106 neutrons
30 neutrons for Na35Cl and 32 neutrons for Na37Cl .
How many neutrons are in Cesium-130 (Cs)?
There are many different isotopes of magnesium but: 24Mg is stable with 12 neutrons 25Mg is stable with 13 neutrons 26Mg is stable with 14 neutrons
45 neutrons
61 neutrons