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Search Results for lewis - All Grades

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Grade 5 The Frontier
Who accompanied Lewis on his expedition?
  1. William Lewis
  2. Lewis Clark
  3. William Clark
  4. Meriwether Clark
Grade 9 Molecules and Compounds
The purpose of a Lewis structure is to                                                     .
  1. model a covalent molecule with its valence electrons
  2. to show each elements nucleus
  3. to diagram ions and protons
  4. None of the above
Grade 5 Formation of the USA
Grade 5 American Revolution
Grade 12 Acids and Bases
Which substance is not a Lewis acid?
  1. [math]NH_3[/math]
  2. [math]BF_3[/math]
  3. [math]CaCl_2[/math]
  4. [math]AlCl_3[/math]
Grade 11 Rhetoric and Propaganda
Grade 3 Industrialization
Which is NOT an accomplishment of Lewis Latimer?
  1. He did special drawings of a telephone.
  2. He invented a way to develop a picture.
  3. He worked on lamps and light bulbs with Edison.
  4. He helped many cities light their communities.
Grade 12 Physics
What is the purpose of a Lewis Structure?
  1. Illustrating the arrangement of electrons in an atom
  2. Representing the distribution of valence shell electrons in a molecule
  3. Showing the positions of inner shell electrons
  4. Depicting the nucleus of an atom
Grade 7 Early National Era
Grade 9 Formation of the USA
The Lewis & Clark expedition travelled about:
  1. 7000 miles in less than 3 years
  2. 3000 miles in less than 2 years
  3. 2500 miles in 11 months
  4. 1500 miles in 11 months
Grade 2 The Frontier
What was a "pirogue" that Lewis and Clark traveled in?
  1. A small car.
  2. A wagon pulled by a horse.
  3. A dugout canoe.
  4. A big ship.
Grade 8 The Frontier
What was the mission of the Lewis and Clark Expedition
  1. Remove Native Americans from Louisiana.
  2. Explore and map the Louisiana Purchase.
  3. Find a route to the Pacific Ocean
  4. Set up trading posts
Grade 8 Periodic Table and Elements
Grade 12 Physics
In Lewis structure, a covalent bond is represented by                                 .
  1. an arrow towards the atom
  2. an arrow away from the atom
  3. a straight line between the atoms
  4. A dotted line between the atoms
Grade 8 Periodic Table and Elements
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