1 Name: ___________________________________________ Biology 105 – Chemistry Homework (10 points) D
1 Name: ___________________________________________ Biology 105 – Chemistry Homework (10 points) D | savvyessaywriters.org
1 Name: ___________________________________________ Biology 105 – Chemistry Homework (10 points) DUE at the beginning of lecture on Monday, June 22nd No points for late homework! Points will be deducted if your writing is illegible! Note: these questions will be covered on the lecture exams 1. Fill in the following chart to describe covalent, hydrogen, and ionic bonds (your descriptions should include the basis of the attraction and the relative strength of the bond compared to the other two kinds of bonds): Bond type Description Covalent Hydrogen Ionic 2 2. Fill in the following table: Particle Charge Mass (amu) Where found in the atom? Proton Neutron Electron 3. Fill in the following table: Element # of Protons # of Electrons # of Neutrons Carbon Nitrogen Sulfur Oxygen 4. Indicate whether the following symbols represent atoms or molecules. If molecules, please indicate whether the molecule is a compound molecule. H ______________________________ H2O ____________________________ NaCl ___________________________ H2 _____________________________ 5. How many bonds will the following elements form? Element Number of bonds formed Carbon Nitrogen Sulfur Oxygen Hydrogen 6. Draw the atomic structure of oxygen, showing how many electrons are in each of its shells. 3 7. Draw three molecules of water and the hydrogen bonds between the molecules. 8. Please circle the polar molecule(s) and box the nonpolar molecule(s) in the following list of examples:
Name: ___________________________________________ Biology 105 – Chemistry Homework (10 points) DUE at the beginning of lecture on Monday, June 22nd No points for late homework! Points will be deducted if your writing is illegible! Note: these questions will be covered on the lecture exams 1. Fill in the following chart to describe covalent, hydrogen, and ionic bonds (your descriptions should include the basis of the attraction and the relative strength of the bond compared to the other two kinds of bonds): Bond type Description Covalent Hydrogen Ionic 12. Fill in the following table: Particle Charge Mass (amu) Where found in the atom? Proton Neutron Electron 3. Fill in the following table: Element # of Protons # of Electrons # of Neutrons Carbon Nitrogen Sulfur Oxygen 4. Indicate whether the following symbols represent atoms or molecules. If molecules, please indicate whether the molecule is a compound molecule. H ______________________________ H O ____________________________ 2 NaCl ___________________________ H _____________________________ 2 5. How many bonds will the following elements form? Element Number of bonds formed Carbon Nitrogen Sulfur Oxygen Hydrogen 6. Draw the atomic structure of oxygen, showing how many electrons are in each of its shells. 27. Draw three molecules of water and the hydrogen bonds between the molecules. 8. Please circle the polar molecule(s) and box the nonpolar molecule(s) in the following list of examples: 3
Attachments:
-_Biology_105….pdf
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