Answers created by GPLuffy

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• There are 5 boys and 7 girls.4 person are selected find probability all boys or girls?
  
• What are some examples of intermolecular forces?
  
• What is the difference between a strong base and a weak base?
  
• Why is cellular respiration important?
  
• Suppose the temperature of the air in a sealed balloon is raised. If the pressure remains constant, what quantity must change?
  
• Looking at the periodic table, elements arranged horizontally increase by what?
  
• How does metallic bonding affect conductivity?
  
• Describe the reactivity of an element when it has reached the maximum number of valence electrons. (A full octet) Help?
  
• Why are chlorine anions larger than chlorine atoms?
  
• How do you find the valence shell number of a element?
  
• How would you describe the atomic structure of metals?
  
• How do you solve #5(x − 1) − (x + 5) = 2#?
  
• How do you read the Electron Configuration Periodic Table? For example, if yu wanted to find Mg what would its configuration be?
  
• What is the chemical equation for the formation of HF from the single, isolated H and F atoms?
  
• What are alpha particles?
  
• Are metals, such as lead and mercury considered hazardous waste?
  
• If a drop of ink is placed into a glass of water, the ink molecules will spread evenly throughout the water. Why does this happen?
  
• How do you solve #8( 12- 2x ) = 5x + 12#?
  
• How do ionic and molecular compounds compare in terms of physical properties?
  
• How are acids and bases different?
  
• Which two elements have similar characteristics?
  
• In the periodic table of, what do all of the elements in group 2 have in common?