Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below. Iron (Fe): [Ar]4s23d6

the volume increases

6.4 cm (max) - 25 cm (min)

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.