قالب:Chem
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This template allows you to render chemical formulas using HTML. Alternatively, you can use <chem>...</chem>
, using mhchem LaTeX notation to generate formulas.
Template instructions
This template, {{chem}}, serves to simplify the writing of chemical formulas. For example,
{{chem|H|2|O}}
will yield:
- Hخطأ: لا توجد وحدة بهذا الاسم "Su".O
Algebraic expression as subscript
Algebraic expressions are rendered as subscripts (but must not contain upper case letters).
{{chem|C|''n''|H|2''n'' + 2}}
gives
- Cخطأ: لا توجد وحدة بهذا الاسم "Su".Hخطأ: لا توجد وحدة بهذا الاسم "Su".
Charge
Ion charge superscripts (for: +/-) are also supported:
{{chem|H|3|O|+}}
yields a "+" as superscript:
- Hخطأ: لا توجد وحدة بهذا الاسم "Su".Oخطأ: لا توجد وحدة بهذا الاسم "Su".
Simultaneous subscripts/superscripts are automatically handled (use a hyphen for the minus sign):
{{chem|SO|4|2-}}
gives "2−" as superscript:
- SOخطأ: لا توجد وحدة بهذا الاسم "Su".
The hyphen is converted to a true minus sign.
Atomic number and mass number
The first parameter can be used for mass number.
{{chem|4|He}}
gives:
- خطأ: لا توجد وحدة بهذا الاسم "Su".He
The first two parameters can be used for mass number and atomic number.
{{chem|4|2|He}}
gives:
- خطأ: لا توجد وحدة بهذا الاسم "Su".He
- Note
- Only the first two parameters can handle two consecutive plain numbers (i.e. without a plus sign or a hyphen (
+
or-
) following). Otherwise the template will loop.
- See also {{Nuclide}}
Linking
The optional parameter link changes the formula into a link. For example:
{{chem|link=water|H|2|O}}
will yield:
Individual elements can be linked in the following manner:
{{chem|[[Hydrogen|H]]|2|[[Oxygen|O]]}}
gives
Notes
- To include "=" in the formula, use "=" For example, "{{chem|CH|2|=CH|2}}" yields CHخطأ: لا توجد وحدة بهذا الاسم "Su".=CHخطأ: لا توجد وحدة بهذا الاسم "Su"..
- Or, don't use this template. For example, "CH<sub>2</sub>=CH<sub>2</sub>" yields CH2=CH2.
- To include "≡" in the formula, use "≡" For example, "{{chem|HC≡CH}}" yields HC≡CH.
- The template accepts up to twenty parameters in addition to
link
. - This template uses {{su}}.
See also
- {{Chem2}}
- {{Chem molar mass}}
TemplateData
TemplateData for Chem
Template data
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Render chemical formulas using HTML. Alternatively, you can use <chem>...</chem>, using mhchem LaTeX notation to generate formulas. Up to 25 unnamed ordered parameters can be used with automatic detection of subscripts and superscripts.
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