neutron is the one which has no electric charge.

Created by JBCBTest on 2020-09-09; known on 2020-09-09; judged right by JBCBTest on 2020-09-09.

• JBCBTest estimated 100% on 2020-09-09
• JBCBTest   judged this prediction right on 2020-09-09.

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