All the following are trace elements required by body except
Major elements. Trace elements 1. Calcium. 1. Iron 2. Magnesium. 2. Iodine 3. Phosphorus. 3. Copper 4. Sodium. 4. Manganese 5. Potassium. 5. Zinc 6. Chloride. 6. Molybdenum 7. Sulfur. 7. Selenium 8. Fluoride.Ref: DM Vasudevan, page no: 411