Elements Essential for Human Life We are learning about the elements of the peri
Elements Essential for Human Life We are learning about the elements of the periodic table this week. Of the 118 elements in the periodic table, only 33 are essential for the survival and well-being of humans. These are bulk elements (oxygen, carbon, hydrogen, nitrogen, and sulfur), microminerals (sodium, magnesium, potassium, calcium, chlorine, and phosphorus), and … Read more