参考词典中atomic number 15的常规释义：
英英解释
- a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
[同]
atomic number 15, p, phosphorus
点击查看……
鲁公网安备 37060202000128号 
