知識點:
1.原子結構構造，質子、中子、電子相關概念
2．符号xyA的識别及各符号的意義
3.認識原子軌道形狀，掌握電子排布式、軌道排布式寫法
4.掌握電離能、電負性的概念
題型一：符号xyA的應用（主要以選擇題為主）
答案：B
題型二：電子排布式（簡答為主）
An atom,X,has a proton number of 16.Deduce the electron configuration of this atom.
答案：1s 22s 22p 63s23p4
題型三：電離能、電負性（選擇簡答為主）
The graph below shows the variation of the first ionisation energy with the number of protons for some elements.
Which statement is corred?
A. Elements Q and Y are in the same period in the Periodic Table.
B. The general increase from elements R to Y is due to increasing atomic radius.
C. The small decrease between dldments S and T is due to decreased shielding.
D. The small decrease between elements V and W is due to repulsion between paired electrons.
答案：D