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After you have studied it, there is a question. Please try and do it. You can answer it at home. Please Submit your answer (your task) next week.

  1. Unsur X memiliki jumlah neutron 10 dan nomor massa 29. Unsur Y memiliki jumlah proton sama denga neutron dan nomor massanya 18. Jika kedua unsur bergabung membentuk senyawa, tentukan :     a. Rumus senyawa                                                             b.   Jenis ikatan

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