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13 July, 17:54

What is the mass number of an atom with 6 protons and 7 neutrons

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  1. 13 July, 19:17
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    Mass number is 12.01g What you do first to find is find how many protons it such as this atom has 6 so it going to be number 6 on the periodic table then find the mass
  2. 13 July, 21:11
    0
    Hi, the answer is 13, because the total of protons and neutrons together form the mass, in other words there are 6 protons and 7 neutrons, 6+7=13.
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