Chemistry
Senior High
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呀啊啊 求求第11題究竟怎麼算呢~~
W
M (8)
(A)
11 某金屬之密度為1.5 g/cm²,原子半徑為10-10公尺,原子核半徑為10-15公尺,則構
成該原子核的物質密度大約為?
(A) 1.5×1015 (B) 1.5×10² (C)1.5 (D)1.5×10-5 (E) 1.5×10-15
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#10
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