Worksheet 2 - H and C Li and Br Be and F H and Ar H and N K...

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David Hopkins Worksheet 2 1. Working with isotopes. Please provide the missing information for the following elements. The elements may be isotopes, ions, or neutral. Element Protons Neutrons Electrons Mass Neon 22 19 18 38 Oxygen -2 (neutral) 6 8 Nitrogen-14 Deuterium 25 25 27 2. Working with valence electrons and valence: Provide the Bohr dot structures for the following elements Na C Cl O N Now provide the dot structure for the following pairs and write the proper formula for how they would bond. for example: after drawing Na with one unpaired valence electron, and drawing Cl with one unpaired valence electron, the formula would be Na 1 Cl 1 or simply NaCl. Try the following:
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Unformatted text preview: H and C Li and Br Be and F H and Ar H and N K and O 3. Working with types of bonds: List the bonds we have studied from strongest to weakest. Provide a short explanation of each bond in about 5 words a. b. c. d. 4. Classify each molecule/molecules by the bond/bonds that hold them together NaCl =____________; why? One H 2 O=__________; Why? Many H 2 O=_________; Why? KI=_______________; Why? Cl 2= _______________; Why? PCl 5 =_____________; Why? 5. Please be able to fill out the following information BY MEMORY FOR THE EXAM!!!! Element Protons Weight Hydrogen Carbon Nitrogen Oxygen...
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Worksheet 2 - H and C Li and Br Be and F H and Ar H and N K...

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