nongthihanh04111980 nongthihanh04111980

23-09-2022
Chemistry

contestada

tổng số hạt proton , neutron, electron trong nguyên tử là một nguyên tố X là 16. Số khối của nguyên tử X là 11. Xác định số proton, neutron nguyên tử của X ?

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