ion - charged particle caused by losing or gaining electrons , element - substance made of only one type of atom, compound - 2 or more elements chemically bonded together , atomic number - number of protons in the nucleus of an atom , mass number - number of protons and neutrons in the nucleus of an atom , relative atomic mass  - The average mass of an atom of an element compared to 1/12th the mass of an atom of carbon twelve , proton - positive , neutron - neutral , electrons - negative ,

Atomic Structure Definitions

由
列印
嵌入

排行榜

快閃記憶體卡是一個開放式範本。它不會為排行榜生成分數。

視覺風格

選項

切換範本

恢復自動保存: ?