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Atomicity is the total number of atoms present in one molecule of an element or a substance. == Example == Consider the formation of hydrogen chloride (HCl) from hydrogen (H) and chlorine (Cl). The balanced chemical equation can be written as: H''2'' (g) + Cl''2'' (g) → ''2''HCl (g) 1 volume + 1 volume → 2 volumes n molecules + n molecules → 2n molecules ...(One volume of gas contains 'n' molecules.) 1 Molecules +1 Molecules → 2 Molecules ...(Dividing by 'n') OR ½ Molecules + ½ Molecules → 1 Molecules This suggests that, 1 molecule of Hydrogen Chloride contains 1/2 molecule of hydrogen and 1/2 molecule of Chlorine. i.e. Atomicity of Hydrogen and Chlorine is 2 respectively. Also atomicity of HCl is 2. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Atomicity (chemistry)」の詳細全文を読む スポンサード リンク
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