[解題] 高一化學元素與週期表問題
1.年級:高一
2.科目:化學
3.章節:元素與週期表
4.題目:下列何組原子結合之化合物,其每個原子之電子組態同氬(18)原子?
有一選項為 鈣和矽,但書本答案不含這組選項
5.想法:鈣和矽猜測結合成Ca2Si,其中Ca成為Ca2+ (20-2=18),Si成為Si4- (14+4=18),
如此鈣和矽不就同氬有18個電子,但為何不是答案選項之一?
網路搜尋查不到Ca2Si化合物,倒是有CaSi2化合物存在,Ca2Si是否無法形成?
還請高手回答了,感謝。
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推
05/08 22:14, , 1F
05/08 22:14, 1F
→
05/08 22:24, , 2F
05/08 22:24, 2F
→
05/08 22:43, , 3F
05/08 22:43, 3F
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05/08 23:31, , 4F
05/08 23:31, 4F
推
05/09 01:05, , 5F
05/09 01:05, 5F
推
05/09 01:07, , 6F
05/09 01:07, 6F
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05/09 01:09, , 7F
05/09 01:09, 7F
→
05/09 02:39, , 8F
05/09 02:39, 8F
推
05/09 16:15, , 9F
05/09 16:15, 9F
→
05/09 16:16, , 10F
05/09 16:16, 10F
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05/09 22:31, , 11F
05/09 22:31, 11F
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05/09 22:33, , 12F
05/09 22:33, 12F
→
05/09 22:34, , 13F
05/09 22:34, 13F
→
05/09 23:20, , 14F
05/09 23:20, 14F
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05/09 23:21, , 15F
05/09 23:21, 15F
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05/09 23:22, , 16F
05/09 23:22, 16F
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05/09 23:23, , 17F
05/09 23:23, 17F
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05/09 23:24, , 18F
05/09 23:24, 18F
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05/09 23:24, , 19F
05/09 23:24, 19F
推
05/10 11:39, , 20F
05/10 11:39, 20F
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05/10 11:39, , 21F
05/10 11:39, 21F
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05/12 19:00, , 22F
05/12 19:00, 22F
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