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Děkuji
Ahoj, jak mám vypočítat úlohu: objem kvádru, jehož tělesová úhlopříčka u,se rovná 6.1cm a obdelníková podstava má rozměry 3.2cm a 2.4? Děkuji
Vypočtěte hustotu halitu, NaCl, na základě znalosti jeho struktury (viz. obrázek). Délka vazby Na+ - Cl- je 2,82 Å. Použijte periodickou tabulku prvků. Srovnejte vypočtenou hustotu s běžně uváděnou…
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