Discover Questions

An isotope of the element, argon, has a mass number of 38. How many neutrons does it have? please explain? Are Alkai Metals or Halogens more reactive? Briefly explain how the type of microorganisms present will influence the effectiveness of exposure to anitmicrobial? In how many distinct ways can the letters of the word MAMASMAMAS be arranged? What is the area of a parallelogram whose vertices are A(-12, 2), B(6, 2), C(-2, -3), D(-20,-3)?