Find the average atomic mass of chlorine atom? Give any three applications of isotopes

CBSE Class 9 CBSE Class 9 Science
1
  1. Chlorine occurs in nature in two isotopic forms with masses 35 u and 37 u. The percentage of occurrence of 35Cl is 75%. Find the average atomic mass of chlorine atom.
  2. Give any three applications of isotopes.
2
  1. Percentage of image
    Average atomic mass = image = image = image = 35.5
  2. Applications of isotopes
    • An isotope of iodine (1-131) is used in the treatment of goitre.
    • Phosphorus (P-32) is used in agricultural research.
    • Sodium (Na-24) is used to detect blood clots and tumours.