<ch> – chemical formula

Attributes:

display

"inline" or "block"

id

unique name (identifier)

style/class

style properties and class (e.g. for CSS)

Possible Contents: Text

Description: Corresponds to <m> or <dm> (according to display), but produces chemical formulae with e.g. unslanted chemical element symbols, see Almost LaTeX formulae. e.g.

<ch>Al_xGa_{1-x}As</ch>

yields

i.e. tiny skips between the elements, upshape elements, but all subscripts are treated as mathematics.

For the explicit namespace see <m> above. It makes it possible to be used inside MathML's <math>.