Chemical element. A chemical element or element is a species of atoms having the same number of protons in their atomic nuclei (i.e. the same atomic number, or Z). There are 118 elements that have been identified, of which the first 94 occur naturally on Earth with the remaining 24 being synthetic elements.
Dyslexia Foundation of Memphis. The Dyslexia Foundation of Memphis has been helping dyslexic children and their families in the Mid-South for over 35 years.
Definition. Dyslexia is a learning disorder characterized by difficulty reading due to problems identifying speech sounds and learning how they relate to letters and words. Also called specific reading disability, dyslexia is a common learning disability in children.