69 + 78 + 82 = 229
55 + 82 + 92 + 78 + 100 + 96 + 78 = 581
2 + 2 + 78 = 82
4+78=82-7=75
7.234
78, lead has atomic number of 82
% rate = 4/78 * 100% = 5.13%
Range = 89 - 78 = 11
yes it should.
78
Pb which is neutral has 82 electrons. Thus, if it has a 4+ charge, then it has 78 electrons.
78