អង្គធាតុ

ពីវិគីភីឌា
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អង្គធាតុ
Sugar 2xmacro.jpgStilles Mineralwasser.jpg
Gasfas.pngPlasma-lamp 2.jpg
Matter is usually classified into three classical states of matter, with plasma sometimes added as a fourth state for scientific purposes. From left to right: grains of refined sucrose (a solid), water (a liquid), depiction of particles in a gas, and a plasma globe (plasma).

អង្គធាតុ គឺជាអ្វីៗដែ​លយើងអាចមើលឃើញផ្ទាល់នឹងភ្នែកទទេវាអាចជាវត្ថុរឹង​,រាវ​ ឬឧស្ម័ន