a | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | b | | |
c | | | | | | | | | | | | d | | | e | f | |
| | | | | | | | | | | | | g | | | | |
| | | | | | | | | | | | | | | h | | |
| i | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | |
A.I元素的质量数是131 | B.I元素的中子数是78 |
C.I原子5p亚层有一个未成对电子 | D.I原子有53个能量不同的电子 |
A.NH4Br的电子式: |
B.S2-的结构示意图: |
C.乙酸的分子式:CH3COOH |
D.原子核内有18个中子的氯原子: |
甲 | 乙 | |
丙 | 丁 | 戊 |
时间 | 浓度(mol/L) | ||
c(W2) | c(B) | c(A) | |
第0 min | 4.0 | 9.0 | 0 |
第10min | 3.8 | 8.4 | 0.4 |
第20min | 3.4 | 7.2 | 1.2 |
第30min | 3.4 | 7.2 | 1.2 |
第40min | 3.6 | 7.8 | 0.8 |
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