logging in or signing up Chemistry of Life wdorsey Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 1629 Category: Education License: Some Rights Reserved Like it (0) Dislike it (1) Added: September 03, 2008 This Presentation is Public Favorites: 2 Presentation Description Chemistry of Life Presentation for Mr. Dorsey's Dual Credit Biology Class Comments Posting comment... By: wdorsey (23 month(s) ago) Please feel free. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript BIOLOGY: : BIOLOGY: CHEMISTRY OF LIFE Element : Element An element is a substance that cannot be broken down to other substances by ordinary chemical means. 98% of living matter is made of Carbon Hydrogen Nitrogen Oxygen Phosphorus Sulfur Atomic Number : Atomic Number Number of protons (equals number of electrons) Examples: Carbon = 6 Calcium = 20 Mass Number : Mass Number Equal to the sum of its protons and neutrons Example Sodium = atomic number 11 mass number 23 Isotopes—atoms of the same element that differ in the number of neutrons; for example carbon-12 and carbon-14. Figure 2.10 Electron configurations of the first 18 elements : Figure 2.10 Electron configurations of the first 18 elements Chemical reaction between hydrogen and oxygen : Chemical reaction between hydrogen and oxygen Figure 2.12 Covalent bonding in four molecules : Figure 2.12 Covalent bonding in four molecules Figure 2.13 Polar covalent bonds in a water molecule : Figure 2.13 Polar covalent bonds in a water molecule Share electrons unevenly, giving them charged regions. Figure 2.14 Electron transfer and ionic bonding : Figure 2.14 Electron transfer and ionic bonding Figure 2.15 A sodium chloride crystal : Figure 2.15 A sodium chloride crystal Figure 2.16 A hydrogen bond : Figure 2.16 A hydrogen bond Occurs between the positive region of a hydrogen and the negative region of another polar molecule Figure 2.17 Molecular shapes due to hybrid orbitals : Figure 2.17 Molecular shapes due to hybrid orbitals Figure 2.12x Methane : Figure 2.12x Methane Figure 2.18 Molecular shape and brain chemistry : Figure 2.18 Molecular shape and brain chemistry Figure 2.19 A molecular mimic : Figure 2.19 A molecular mimic You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Chemistry of Life wdorsey Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 1629 Category: Education License: Some Rights Reserved Like it (0) Dislike it (1) Added: September 03, 2008 This Presentation is Public Favorites: 2 Presentation Description Chemistry of Life Presentation for Mr. Dorsey's Dual Credit Biology Class Comments Posting comment... By: wdorsey (23 month(s) ago) Please feel free. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript BIOLOGY: : BIOLOGY: CHEMISTRY OF LIFE Element : Element An element is a substance that cannot be broken down to other substances by ordinary chemical means. 98% of living matter is made of Carbon Hydrogen Nitrogen Oxygen Phosphorus Sulfur Atomic Number : Atomic Number Number of protons (equals number of electrons) Examples: Carbon = 6 Calcium = 20 Mass Number : Mass Number Equal to the sum of its protons and neutrons Example Sodium = atomic number 11 mass number 23 Isotopes—atoms of the same element that differ in the number of neutrons; for example carbon-12 and carbon-14. Figure 2.10 Electron configurations of the first 18 elements : Figure 2.10 Electron configurations of the first 18 elements Chemical reaction between hydrogen and oxygen : Chemical reaction between hydrogen and oxygen Figure 2.12 Covalent bonding in four molecules : Figure 2.12 Covalent bonding in four molecules Figure 2.13 Polar covalent bonds in a water molecule : Figure 2.13 Polar covalent bonds in a water molecule Share electrons unevenly, giving them charged regions. Figure 2.14 Electron transfer and ionic bonding : Figure 2.14 Electron transfer and ionic bonding Figure 2.15 A sodium chloride crystal : Figure 2.15 A sodium chloride crystal Figure 2.16 A hydrogen bond : Figure 2.16 A hydrogen bond Occurs between the positive region of a hydrogen and the negative region of another polar molecule Figure 2.17 Molecular shapes due to hybrid orbitals : Figure 2.17 Molecular shapes due to hybrid orbitals Figure 2.12x Methane : Figure 2.12x Methane Figure 2.18 Molecular shape and brain chemistry : Figure 2.18 Molecular shape and brain chemistry Figure 2.19 A molecular mimic : Figure 2.19 A molecular mimic