Answers edited by LucaGasparro

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• How can elements be classified based on electron configurations?
  
• Question #b7543
  
• What is the frequency of a wave that has a wave speed of 20 m/s and a wavelength of 0.50 m?
  
• How do you factor completely #x^2 + 2x – 15#?
  
• How might you describe the electron density around an atom?
  
• Question #e0668
  
• What is sex education?
  
• Why did Native Americans wave the American flag when the militia attacked at the Sand Creek Massacre?
  
• Solve this quadratic equation. Return the answer in 2 decimals ?
  
• The energy of electromagnetic waves?
  
• Question #ab831
  
• Question #1188d
  
• What is the formula of calcium chloride?
  
• You have 1.45 Moles of Hydrogen. How many atoms are present?
  
• In isosceles triangle has congruent sides of 20 cm. The base is 10 cm. How do you find the height of the triangle?
  
• Question #d4dce
  
• Question #be954
  
• Question #b0ddf
  
• How do you evaluate #9p - 5q + 9- 5p + 5q - 6#?
  
• Is 0.117 less than 0.5?