A K<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/13368644_0.gif"> B
Na<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/13368644_0_1.gif"> C
Mg<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/13368644_0_2.gif"> D
H<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/13368644_0_3.gif"> E
Ca<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/13368644_0_4.gif">