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15 January, 14:49

Balance this nuclear reaction by supplying the missing nucleus: 249/98 Cf + __ - - > 263/106 Sg + 4 1/0 n

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  1. 15 January, 16:48
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    The total atomic number must be the same on each side. The total mass number must be the same on both side.

    On the RHS, for the mass number, we have 257 + 4 = 261 (the 4 comes from the 4 neutrons). That means the mass number of the missing piece on the LHS is 261 - 247 = 14.

    One the RHS, for the atomic number we have a total of 104 since the 4 neutrons are all neutral. On the LHS, we have this: 104 - 98 = 6.

    The missing piece is a nucleus of carbon 14. Done in your style, it is 14/6C
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