Chemistry
Senior High
右上のウランは、なぜ価電子がないのですか？？
28 (原子の構造) 次の表中の空欄に適切な数値·記号を記入せよ。
C
1N
238
92
陽子数
10
中性子数
8
10
電子数
8
価電子の数
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