首页 >  Term: element
element

A molecule composed of one type of atom (e. G. , Carbon, Hydrogen, Helium). At present the Periodic Table contains 112 elements. Two or more elements form a compound.

0 0

创建者

  • saska032
  •  (Gold) 2012 分数
  • 100% positive feedback
© 2024 CSOFT International, Ltd.