A Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230316/11546236_0.gif"> B
K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230316/11546236_0_1.gif"> C
Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230316/11546236_0_2.gif"> D
Mg<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230316/11546236_0_3.gif"> E
NH<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230316/11546236_0_4.gif">