Question: How do elements relate to compounds? What is a mixture? How do mixtures relate to compounds? How do mixtures relate to solutions? Is air a

  1. How do elements relate to compounds?

  1. What is a mixture? How do mixtures relate to compounds?

  1. How do mixtures relate to solutions?

  1. Is air a solution or a compound?

  1. Is water a mixture or a compound?

  1. Does everyone in the world have access to fresh clean water?

  1. Does everyone in the world have access to clean air?

  1. How many valence electrons does Carbon have? Hydrogen? Chlorine?

  1. Draw these Lewis diagrams:

  1. H2O

  1. CH4

  1. O2

  1. CO2

  1. HCN

  1. NaCl

  1. Define each:
  1. Ionic bond

  1. Covalent bond

  1. Polar covalent bond

  1. Which of the compounds in question 11 were ionic? Which were covalent? Which were polar covalent?

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