化學

二氫一氧(H2O)2H ＋ O －＞ H2O 中國語
化學　物質科學
第一課
H-O-H
物質 H has 1 electrons(電子).
物質 O have 8 electrons, 1s²2s²2p⁴.
8 electrons on the outter orbit make the molecular in the stable state.
變化化學反應
H-O-H is everywhere, in fluid state, in solid state, in vapor state.
物質固態液態氣態氣體
positiron 正子 (正)(子)
annihliation in atomic collisions
"Science is built up with facts, as a house is with stones. But a collection
of facts is not more a science than a heap of stones is a home"
Henri Poincare
老子曰道可道　非可道
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