A.x+5 | B.x-5 | C.x+1 | D.x-1 |
ⅠA | ⅡA | ⅢA | ⅣA | ⅤA | ⅥA | ⅦA | 0 | |
1 | A | | ||||||
2 | | | | D | E | | G | |
3 | B | | C | J | F | | H | I |
A.酸性:H3PO4>H4SiO4>H2CO3 | B.熔沸点:H2O> H2Se > H2S |
C.离子半径:S2->Cl->K+ | D.离子的氧化性:Na+>Mg2+>Al3+ |
A.2s > 3s | B.2s > 2d | C.2px < 2Py | D.2px = 2py |
A.HX | B.H2X | C.XH3 | D.XH4 |
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