Answers created by Pradyun Devarakonda

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• How do you write the following expression as a single logarithm: log 5 - log x - log y?
  
• In a right- angled triangle, the shortest sides are 5 and 12. How do you find the perimeter of the triangle?
  
• What is velocity?
  
• How do you calculate relative atomic mass of an element?
  
• How many nucleons are there in a #Na^+# ion with 13 neutrons?
  
• What do solutions to quadratic equations mean?
  
• What is salt hydrolysis?
  
• How does atomic size vary in the periodic table?