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| A | B | C | D | E | F | G |
A | - | - | - | - | - | - | ↓ |
B | - | - | - | - | ↓ | ↓ | ↓ |
C | - | - | - | ↓ |
| ↓ | ↓ |
D | - |
| ↓ | - | ↓ | ↓ | ↓ |
E | - | ↓ | - | ↓ | - | ↓ | - |
F | - | ↓ | ↓ | ↓ | ↓ | - | ↓ |
G | ↓ | ↓ | ↓ | ↓ | - | ↓ | - |
(1)A的化学式是? ,G的化学式是? ,判断理由是 。
(2)写出其余几种物质的化学式:B? ,C? ,D? ,E? ,F 。
(1)A的化学式是_____________,G的化学式是_________。判断理由是_________________。
(2)写出其余几种物质的化学式。B _____________,C_____________,D_____________,E_____________,F_____________。
| A | B | C | D | E | F | G |
A | — | — | — | — | — | — | ↓ |
B | — | — | — | — | ↓ | ↓ | ↓ |
C | — | — | — | ↓ |
| ↓ | ↓ |
D | — |
| ↓ | — | ↓ | ↓ | ↓ |
E | — | ↓ | — | ↓ | — | ↓ | — |
F | — | ↓ | ↓ | ↓ | ↓ | — | ↓ |
G | ↓ | ↓ | ↓ | ↓ | — | ↓ | — |