Catatan Kimia Hari Ini: Kimia Unsur

Lelehan halida dari berilium daya hantar nya buruk. Maka kovalen.

Titik didih periode 3 naik dr kiri ke kanan, puncakny Si, turun lagi sampai Ar. P, Cl, S, ttk ddh rndah krn van der waals.

Beda dg Na dam Mg, Al tidak reaksi dg asam oksidator krn trbntuk lapisan inert al2o3.

Zink, Cd, Hg, beda dg umsur transsi krn diamgntik, ttk didih rendah, n snyawanya putih.

Ini posting dg WpMobile ke3.

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