blatss8jaimeJaccoyc blatss8jaimeJaccoyc

03-03-2017
Chemistry

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How many neutrons does element x have if its atomic number is 42 and its mass number is 160? neutrons?

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armyguy1050 armyguy1050

06-03-2017

118
mass number is the protons plus the neutrons.
And the atomic number is equal to the amount of protons in an element.
Therefore, 160-42=118.

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