Drawing Bohr Diagrams Lesson 3. Bohr and Quantum Periodic Table Label the s, p, d, and f orbitals. 1s.

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Presentation transcript:

Drawing Bohr Diagrams Lesson 3

Bohr and Quantum Periodic Table Label the s, p, d, and f orbitals. 1s

F 1 st Shell 2 2 nd Shell 7

1. Draw the Bohr Diagram for the Element F 9 1- F Fluorine 19.0 Protons = 9 Atomic mass = 19 Neutrons = = 10 7e - 2e - 9p 10n Why does F form an ion with a 1- charge? 7 valence electrons (outer)

Ca 1 st Shell 2 3 rd Shell 8 2 nd Shell 8 4 th

2. Draw the Bohr Diagram for the Element Ca Ca Calcium 40.1 Protons = 20 Atomic mass = 40 Neutrons = = 20 Why does Ca form an ion with a 2+ charge? 2 valence electrons (outer) 8e - 2e - 20p 20n 2e -

Kr Look at all of the shells that are full before Kr 1 st Shell 2 2 nd Shell 8 3 rd Shell 18 4 th Shell

3. Draw the Bohr Diagram for the Element Kr 36 Kr Krypton 83.8 Protons = 36 Atomic mass = 84 Neutrons = = 48 Does Kr form an ion? 8 valence electrons (outer) 18e - 8e - 2e - 36p 48n 8e -

I-I- Add 1 electron

4. Draw the Bohr Diagram for the Element I I Iodine Protons = 53 Atomic mass = 127 Neutrons = = 74 Why does I form a 1- ion? 8 valence electrons 18e - 8e - 2e - 53p 74n 18e - 8e -

Ag

Ba 2+ Remove two electrons

5. Draw the Bohr Diagram for the Element Ba Ba Barium Protons = 56 Atomic mass = 137 Neutrons = = 81 Why does Ba form a 2+ ion? 8 valence electrons 18e - 8e - 2e - 56p 81n 18e - 8e -