化学式子输入指南

特别提醒

首页在一个单元格内引入mhchem模块

$\require{mhchem}$

\(\require{mhchem}\)

化学方程式

$\ce{CO2 + C -> 2 CO}$

\(\ce{CO2 + C -> 2 CO}\)

$\ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-}$

\(\ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-}\)

$C_p[\ce{H2O(l)}] = \pu{75.3 J // mol K}$

\(C_p[\ce{H2O(l)}] = \pu{75.3 J // mol K}\)

$\ce{x Na(NH4)HPO4 ->[\Delta] (NaPO3)_x + x NH3 ^ + x H2O}$

\(\ce{x Na(NH4)HPO4 ->[\Delta] (NaPO3)_x + x NH3 ^ + x H2O}\)

化学式

$\ce{H2O}$，$\ce{Sb2O3}$

\(\ce{H2O}\)，\(\ce{Sb2O3}\)

电荷

$\ce{H+}$，$\ce{CrO4^2-}$，$\ce{[AgCl2]-}$，$\ce{Y^99+}$，$\ce{Y^{99+}}$

\(\ce{H+}\)，\(\ce{CrO4^2-}\)，\(\ce{[AgCl2]-}\)，\(\ce{Y^99+}\)，\(\ce{Y^{99+}}\)

化学计量数

$\ce{2 H2O}$，$\ce{2H2O}$，$\ce{0.5 H2O}$，$\ce{1/2 H2O}$，$\ce{(1/2) H2O}$

\(\ce{2 H2O}\)，\(\ce{2H2O}\)，\(\ce{0.5 H2O}\)，\(\ce{1/2 H2O}\)，\(\ce{(1/2) H2O}\)

核素、同位素

$\ce{^{227}_{90}Th+}$，$\ce{^227_90Th+}$，$\ce{^{0}_{-1}n^{-}}$，$\ce{^0_-1n-}$

\(\ce{^{227}_{90}Th+}\)，\(\ce{^227_90Th+}\)，\(\ce{^{0}_{-1}n^{-}}\)，\(\ce{^0_-1n-}\)

反应箭头

$\ce{A -> B}$，$\ce{A <- B}$，$\ce{A <-> B}$，$\ce{A <--> B}$，$\ce{A <=> B}$，$\ce{A <=>> B}$，$\ce{A <<=> B}$

\(\ce{A -> B}\)，\(\ce{A <- B}\)，\(\ce{A <-> B}\)，\(\ce{A <--> B}\)，\(\ce{A <=> B}\)，\(\ce{A <=>> B}\)，\(\ce{A <<=> B}\)

$\ce{A ->[H2O] B}$，$\ce{A ->[{加热}][{text below}] B}$

\(\ce{A ->[H2O] B}\)，\(\ce{A ->[{加热}][{text below}] B}\)

化学键

$\ce{A\bond{-}B\bond{=}C\bond{#}D}$，$\ce{A\bond{1}B\bond{2}C\bond{3}D}$，$\ce{A\bond{~--}B\bond{~=}C\bond{-~-}D}$，$\ce{A\bond{->}B\bond{<-}C}$

\(\ce{A\bond{-}B\bond{=}C\bond{#}D}\)，\(\ce{A\bond{1}B\bond{2}C\bond{3}D}\)，\(\ce{A\bond{~--}B\bond{~=}C\bond{-~-}D}\)，\(\ce{A\bond{->}B\bond{<-}C}\)

沉淀物和气体

$\ce{SO4^2- + Ba^2+ -> BaSO4 v}$，$\ce{A v B (v) -> B ^ B (^)}$

\(\ce{SO4^2- + Ba^2+ -> BaSO4 v}\)，\(\ce{A v B (v) -> B ^ B (^)}\)