Elektronske zbirke Hemija 7 i 8
2:19
Added: 3 years ago
From: kvarkmedia
Views: 13,243
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  • ... a (u devetom zadatku) treba da se navede tacan maseni broj natrijuma, 23.

    mma48578 6 months ago

  • Lepo i korisno, samo su se potkrale dve greskice: na 1:57 se vidi, atomski broj fosfora je 15, a ne 16 kao u resenju sedmog pitanja, i kod devetog pitanja umesto "ako je njegov atomski broj 11" pise maseni broj, sto nije tacno.

    mma48578 6 months ago

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