In addition, he conducted the controversial  Little Albert  experiment. He was also editor of Psychological Review from 1910 to 1915. A Review of General Psychology survey, published in 2002, ranked Watson as the 17th most cited psychologist of the 20th century.n addition, he conducted the controversial  Little Albert  experiment. He was also editor of Psychological Review from 1910 to 1915. A Review of General Psychology survey, published in 2002, ranked Watson as the 17th most cited psychologist of the 20th century.
During a biopsy, a small sample of the skin tissue from the mole is collected and examined to determine if the cells are cancerous. When a cancerous mole is identified, it needs to be removed right away so that the cancer doesn't spread beyond the skin and affect other parts of the body. There are several ways to get rid of moles, and the procedure is often simple.
One mole of carbon atoms has a mass of exactly 12 g. Because magnesium atoms each have twice the mass of carbon atoms (24 Mg compared with 12 C), one mole of magnesium has a mass of 24 g. In fact, one mole of any element has a mass in grams that is equal to its relative atomic mass. One mole of iron has a mass of 56 g. Moles of compounds A mole of a molecular compound contains 6 x 10 23 molecules. It has a mass that is equal to its relative formula mass. So a mole of water (H 2 O) has a mass of 18 g. A mole of carbon dioxide (CO 2) has a mass of 44 g.