ellangesh ellangesh

26-05-2024
Chemistry

contestada

mengapakah kereaktifan unsur-unsur yang sama kumpulan dengan X bertambah menuruni kumpulan , tetapi kereaktifan unsur-unsur yang sama kumpulan dengan Y berkurang ?

tips : X =Berilium, Y =Klorin

Respuesta :

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