On Oct4,2011 , I phone 4s made its international appearance at the press conference claimed by the...

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3d 4s 4p 4d 5s 4s 3d 4p 5s 4d
4s 3d 5s 4p 4d 3d 4s 5s 4p 4d

3d⁶4s⁰ 3d⁵4s¹ 3d⁴4s² 3d³4s²4p¹

for to from since

2R，3S，4S，5R 2R，3S，4R，5R 2R，3R，4S，5R 2S，3R，4S，5S 2S，3R，4R，5S

3d⁶4s⁰ 3d⁵4S¹ 3d⁴4S² 3d³4S²4p¹

why are they so mad about. why they are so mad about how are they so mad about how they are so mad about

why are they so mad about why they are so mad about how are they so mad about how they are so mad about

s³+4s²-3s+2 s³+4s²+3s s³-4s²-3s-2 s³+4s²+3s+2

第4s内的平均速度大于4s内的平均速度　 4s内的平均速度等于2s末的瞬时速度　第4s内的速度变化量大于第3s内的速度变化量　第4s内与前4s内的位移之比是7：16

E_3d＞E_4s E_3d＜E_4s E_3p＞E_4s E_3p＜E_4s

B.两质点从同一地点运动的x-t图象，则下列说法错误的是： (　　) A.A.质点以20m/s的速度匀速运动 B.质点最初4s沿正方向做直线运动，后4s沿负方向做直线运动 B.质点最初4s做加速运动，后4s做减速运动 A.B.两质点在4s末相遇

As　4s²4p³ Cr　3d⁴4s² Ga　4s²4p¹ Ni　3d⁸4s²

3d＞4s
  3d＜4s
  3d＝4s
  无3d、4s轨道，无所谓能量高低

how are they so mad about how they are so mad about why are they so mad about why they are so mad about

3d⁶4s⁰ 3d⁵4s¹ 3d⁴4s² 3d³4s²4p¹

无3d、4s轨道，无所谓能量高低 3d>4s 3d=4s 3d<4s

for to from since