题型:单选题 题类:常考题 难易度:普通
电子式、化学式或化学符号及名称的综合d
IA |
IIA |
IIIA |
IVA |
VA |
VIA |
VIIA |
|
① |
|||||||
② |
① |
② |
③ |
||||
③ |
④ |
⑤ |
⑥ |
⑦ |
| IA | IIA | IIIA | IVA | VA | VIA | VIIA | 0 |
2 | ⑥ | ⑦ | ⑧ | |||||
3 | ① | ③ | ⑤ | ⑨ | ⑩ | |||
4 | ② | ④ |
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