The Periodic Table is a well-organized chart that contains all 118 known elements in the universe. These elements are the ...

Elements bond in fixed ratios and so can be represented by a chemical formula. For example, sodium chloride has the same number of sodium ions and chloride ions, so its formula is NaCl ...

The aim of the study was the investigation of the correlation of the autistic children's hyperactivity status with major nutritional changes using elemental formula diet and testing these children ...