Template:Infobox chem

<templatedata> {

 "description": "Infobox for chemicals/elements.",
 "params": {
   "name": { "label": "Name", "description": "Name of the chemical or element.", "type": "string", "required": true },
   "image": { "label": "Image", "description": "Filename for the image", "type": "string" },
   "image_size": { "label": "Image size", "description": "Image size e.g., 200px", "type": "string" },
   "category": { "label": "Category", "description": "Category of chemical or element", "type": "string" },
   "type": { "label": "Type", "description": "Specific type of substance", "type": "string" },
   "symbol": { "label": "Chemical symbol", "description": "Symbol or abbreviation", "type": "string" },
   "atomic": { "label": "Atomic number", "description": "Atomic number if element", "type": "string" }
 }

} </templatedata>