Topic+5

Topic 5 Frank-S

Bond types there are many types of bonds the main being a chemicle bond type. Then you have Ionic, Covalent, Polar and lastly Hydrogen I will give you a definition of each. ** Chemical Bonds **. A chemical bond is an attraction between atoms brought about by a sharing of electrons between to atoms or a complete transfer of electrons. There are three types of chemical bonds: [|Ionic], [|Covalent] and [|Polar covalent] a [|hydrogen bond].  Covalent bonds involve a complete sharing of electrons and occurrs most commonly between atoms that have partially filled outer shells or energy levels. Diamond is strong because it involves a vast network of covalent bonds between the carbon atoms in the diamond. **.** ||  ||  . This type of bond occurs when the atoms involved differ greatly in electronegativity. The most familiar example is water. Oxygen is much more electronegative than hydrogen, and so the electrons involved in bonding the water molecule spend more time there. **Hydrogen Bond. ** The fact that the oxygen end of a water molecule is negatively charged and the hydrogen end positively charged means that the hydrogens of one water molecule attract the oxygen of its neighbor and vice versa. This is because unlike charges attract. This largely electrostatic attraction is called a hydrogen bond  and is important in determining many important properties of water that make it such an important liquid for living things. || The website source for the bond types []
 * **Ionic Bonds. **
 * I **onic bonds arise from elements with l ow[| electronegativity] (almost empty outer shells) reacting with elements with high electronegativity  (mostly full outer shells). In this case there is a complete transfer of electrons. A well known <span style="font-size: 12pt; color: #ff0303; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';">example <span style="font-size: 12pt; color: black; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';"> is table salt, sodium chloride. **Ionic.** ||
 * <span style="font-size: 13.5pt; color: black; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';"> **<span style="font-size: 18pt; color: #f70404; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';">Covalent bonds **<span style="font-size: 13.5pt; color: black; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';">
 * **<span style="font-size: 18pt; color: #ed0205; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';">Polar Covalent Bond. **<span style="font-size: 12pt; color: black; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';">

In my own words I believe the definition of bond types is how everything connects through ionic compounds and is attracted to each other through various elements. Such as diamonds through carbon bonds and sodium chloride through ionic bonds. Also different types of chemicals.

__phillip m: topic 5__

__**REAL LIFE EXAMPLES-**__

For example, common [|table salt] is [|Sodium Chloride]. When sodium and chlorine are combined, the [|sodium] atoms each lose an [|electron], forming a cation and the [|chlorine] atoms each gain an electron to form an anion. These ions are then attracted to each other in a 1:1 ratio to form sodium chloride. Na + Cl → Na+ + Cl− → NaCL.
 * IONIC BOND:**

SOURCE: []

COVALENT BONDS:

Example, a chlorine //molecule//, made from two chlorine //atoms//, is drawn like this: Sometimes two atoms share more than one pair of electrons. If they share two pairs, we draw two lines. For example, in this molecule of ethylene, the two carbon atoms are sharing two pairs of electrons:

[]

Megan G.



Katelyn B. <span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; msobidifontfamily: Calibri; msobidithemefont: minor-latin; msolist: Ignore;"> 1. Determine the bond type for bond AB. Show all work and/or explain your answer. The bond type for bond A-B is ionic. Elements with low electronegativity tend to bond with elements that have high electronegativity and this produces an ionic bond, <span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; msobidifontfamily: Calibri; msobidithemefont: minor-latin; msolist: Ignore;"> 2. Determine the bond type for bond CD. Show all work and/or explain your answer. C-D is a polar covalent bond. Polar covalent bonds are characterized by low conductivity (or being nonconductive) and low melting points. <span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; msobidifontfamily: Calibri; msobidithemefont: minor-latin; msolist: Ignore;"> 3. Determine the bond type for bond BD. Show all work and/or explain your answer. Bond B-D is a hydrogen bond. This is indicated by its extremely high boiling point and conductivity which indicates the presence of hydrogen atoms. <span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; msobidifontfamily: Calibri; msobidithemefont: minor-latin; msolist: Ignore;"> 4. Determine the bond type for bond DD. Show all work and/or explain your answer. Bond D-D is a covalent bond. Covalent bonds always have a very low melting point.
 * ** Element ** || ** Electronegativity ** || || ** Bond ** || ** Melting Point ** || ** Conductivity ** ||
 * ** A ** || 1.0 || || ** A-B ** || NA || NA ||
 * ** B ** || 2.5 || || ** C-D ** || -76 <span style="font-family: 'Lucida Sans Unicode','sans-serif';">℃  || Poor ||
 * ** C ** || NA || || ** B-D ** || 3373 <span style="font-family: 'Lucida Sans Unicode','sans-serif';">℃  || Excellent ||
 * ** D ** || NA || || ** D-D ** || -270 <span style="font-family: 'Lucida Sans Unicode','sans-serif';">℃  || NA ||

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