Question

Please help me with these problems I am almost done with homework

1. What is the simplest element?
2. What is the most complex element?
3. What are 3 elements that make up the earth?
4. What are the 3 elements that are essential for life?
5. The most familiar elements are typically the most ?????? elements?
6. When was the nuetron discovered?

Answer 1

4 Living organisms contain relatively large amounts of oxygen, carbon, hydrogen,nitrogen, and sulfur (these five elements are known as the bulk elements), along with sodium, magnesium, potassium, calcium,chlorine, and phosphorus (these six elements are known as macro minerals).