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How to Make a Bohr Model

How to Make a Bohr Model. Bohr Diagrams. 1. Find the element on the periodic table. 2. Determine the number of electrons- it is the same as the atomic number. 3. This is how many electrons you will draw. Find out which period (row) your element is in.

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How to Make a Bohr Model

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  1. How to Make a Bohr Model

  2. Bohr Diagrams • 1. Find the element on the periodic table. • 2. Determine the number of electrons- it is the same as the atomic number. • 3. This is how many electrons you will draw.

  3. Find out which period (row) your element is in. • Elements in the 1st period have one energy level • Elements in the 2nd period have two energy levels.

  4. 1. Draw a nucleus with the element symbol inside, and # of protons and # of neutrons. • Carbon is in the second period, so it has two energy levels. • Draw the shells around the nucleus.

  5. 1. Add the electrons. • 2. Carbon has 6 electrons. • 3. The first shell can only hold 2 electrons.

  6. 1. Since you have two electrons drawn already, you need to add 4 more. • 2. These go in the 2nd shell. • 3. Add one at a time- starting on the right side and going counter clock-wise.

  7. 1. Check your work. • 2. You should have 6 electrons for Carbon. • 3. Only 2 electrons can fit in the 1st shell. • 4. The 2nd shell can hold up to 8 electrons. • 5. The 3rd and 4th shells can hold up to 18 electrons, and the 5th and 6th shells can hold up to 32!

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