About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life. The remaining elements are trace elements, of which more than a dozen are thought on the basis of good eviden… WebThese complex molecules are typically made up of chains and rings that contain hydrogen, oxygen, and nitrogen atoms, as well as carbon atoms. These molecules may consist of anywhere from 10 to millions of atoms linked together in specific arrays. Most, but not all, of the carbon-containing molecules in cells are built up from members of one of ...

Questions and Answers - How many atoms are in the human body?

WebJul 14, 2007 · For most people, a makeover means losing weight and getting new clothes, hairstyle and makeup. But the body does its own extreme makeover each year, regularly … WebA 70 kg body would have approximately 7*10 27 atoms. That is, 7 followed by 27 zeros: 7,000,000,000,000,000,000,000,000,000. Of that, 4.7*10 27 would be hydrogen atoms, … northern lights crossword clue

Why atoms are the Universe

WebAnswer (1 of 25): The most common value given for the number of atoms in the human body is calculated by assuming that the human body is completely made of H2O (water). This … Web43 rows · Mar 5, 2013 · Short Answer. There are approximately 7 x 10 27 atoms in the average human body. This is the ... Determine the molar mass of water. Do this by adding up the mass of hydrogen at… It is believed 74% of the mass of the Milky Way, for example, is in the form of hydr… northern lights council boy scouts of america