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Tidak di lihat belum tentu tidak ada? begini penjelasannya 📌 Atom adalah unit dasar materi yang menyusun semua benda di alam semesta.  Atom dari unsur yang sama memiliki sifat kimia yang sama.  Atom dapat membentuk ikatan kimia dengan atom lain untuk membentuk molekul.  Atom dapat kehilangan atau mendapatkan elektron, membentuk ion .  Perkembangan Konsep Atom: Democritus: Filsuf Yunani kuno yang pertama kali mengemukakan gagasan tentang atom sebagai partikel terkecil yang tidak...
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