正在加载图片...
Basic Concepts Pons- charged particles Anions-Negatively charged particles > Cations- Positively charged particles4 Basic Concepts ➢Ions – charged particles ➢Anions – Negatively charged particles ➢Cations – Positively charged particles
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有