SoccerHalo
31.10.2021 •
Chemistry
Given that the specific heat of chromium is 0.455 J/gK, find the final temperature after 35.9 J of energy is removed from 11.7 g of chromium at 28.5°C?
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Ответ:
(a) (i) All the elements of a group have similar chemical properties because they have the same no. of valence electrons in their outermost shell. (ii) All the elements of a period have different chemical properties because they have different no. of valence electrons in their atoms.