Answers

2014-11-05T14:50:33+08:00
Maybe it's 55 because the number of neutron and proton is same.
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NOPE.. wala sa ans. ehh. thnkx sa pag sagot..=)
nakuha qoh na.. 30. thnkx ulit.
2014-11-06T14:32:20+08:00