Chemistry Essay on common elements (Oxygen etc)

Please do a minimum of 1 PAGE for each of the following 3 elements: Describe 3 elements you think are important to the study of chemistry as it relates to life: Choose 1 of the following: Carbon, Hydrogen, Oxygen, Nitrogen Choose 2 of the following: Iron, Magnesium, Calcium, Phosphorous, Potassium, Sodium, Copper It needs to include ALL of the following: The name of the element and it's chemical symbol Atomic Structure of the element Any isotopes Valence Chemical and physical properties Occurrence in nature and the human body Use in industry and everyday life Why this element is essential to life