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OpenStudy (kitkat101):
Help Pls.. How many neutrons does element X have if its atomic number is 55 and its mass number is 154?
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HanAkoSolo (jamierox4ev3r):
Remember, to find neutrons with this given information, subtract the atomic number from the atomic mass. So 154-55 is what you would use to find this
HanAkoSolo (jamierox4ev3r):
@KitKat101 Hope this helped! :)
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