Essays Tagged: "Covalent bond"

IB Chemistry - Intermolecular Bonding Essay:

r the existence of each. Comment on their strengths in relation to the types of atoms involved; the covalent bond and relative to each other. Use the concepts of different types and strengths of inter ... nds to explain the following:There exists four types of intermolecular bonding, they include ionic, covalent, Van der waals and hydrogen bonding. In order to describe the existence of such bonding you ...

(6 pages) 89 0 4.3 Jan/1997

Subjects: Science Essays > Chemistry

Describing how Hydrogen Bonding is done.

tramolecular force as in the common use of the word "bond.When hydrogen atoms are joined in a polar covalent bond with a small atom of high electronegativity like O, F, or N, the positive charge on th ... ttraction or now called "hydrogen bond" can have about 5 percent to 10 percent of the strenght of a covalent bond.Hydrogen bonding has a very important effect on the properties of water and ice. Hydro ...

(1 pages) 31 0 3.0 May/2003

Subjects: Science Essays > Chemistry

Identifying bond type with physical properties

the test tube, there was no bubbling reaction. So we concluded that it was network solid, which is covalent bond, because it had high melting point and was not a metal and it was not soluble in water ... ubstance A, we concluded that this substances (substance B and C) to be a network solid, which is a covalent bond. It had high melting points with no reactions (Bubbling) to HCl and is not soluble in ...

(4 pages) 54 1 4.1 Mar/2004

Subjects: Science Essays > Chemistry

Chemistry 10 Study Notes for Matter and Bonding / Bond Types.

e Compound (2 or more atoms joined 2gether chemically [bond] to get stable structure) Covalent (aka molecular) Ionic Element (can't be broken down, 1 type of atom) M ... Forms a highly structure Crystalline lattice Metal donates electron(s) to non-metal Covalent Compounds Non-metal & Non-metal Electrons are Charged Doesn't cond ...

(3 pages) 28 0 0.0 Sep/2004

Subjects: Science Essays > Chemistry

AP Biology: The Properties of Water

iquid state of matter, the hydrogen bonds are very frail and weak, about one-twentieth as strong as covalent bonds. The bonds are made, broken, and remade very quickly. Each hydrogen bond lasts only a ... meaning that the opposite ends of the molecule of opposite charges. In a water molecule, the polar covalent bonds allow the oxygen region of the molecule to have a partial negative charge and the hyd ...

(4 pages) 42 1 4.6 Dec/2004

Subjects: Science Essays > Biology

Bond Notes

ements (d orbitals) lose their s orbital electrons first and then one or more d orbital electron(s).Covalent bonds: formed from sharing of two electrons, usually one donated from each of the two bondi ... rons to form an electron-pair bond, can acquire a stable, noble-gas structure".There are 3 kinds of covalent bonds based on number of pairs of electrons shared between the two atoms: single cov ...

(4 pages) 29 0 3.0 Dec/2004

Subjects: Science Essays > Chemistry

The Periodicity of Hydrides in Groups 4 to 7

ride is the name given to any hydrogen compound. There are three types of hydrides: ionic hydrides, covalent hydrides and transitional metal hydrides. Ionic hydrides consist of hydrogen and an electro ... onds with an electropositive metal by acquiring an electron from the metal to complete its S-shell. Covalent hydrides however consist of a covalent bond between hydrogen atoms and electronegative meta ...

(3 pages) 21 0 0.0 Apr/2005

Subjects: Science Essays > Chemistry

Splitting of d-Orbitals

s, complex ions form dative bonds, rather than the usual ionic bonds. A dative bond is similar to a covalent bond, but rather than forming a bond with one electron from each atom, the bond is created ... n metal ion, it "donates" its lone pair of electrons to the transition metal ion, creating a dative covalent bond with the transition metal.Aqua is the ligand name for a water molecule. A water molecu ...

(6 pages) 22 0 0.0 Apr/2005

Subjects: Science Essays > Chemistry

Hydrogen Bonding including BRIEF mentions to forces between non-metals and application of hydrogen bonding.

does not take into account the reasons behind the attraction or why dipole-dipole attraction occurs.Covalent molecular substances do not carry a whole charge since no atoms within the molecule lose or ... on involves the ability of an atom within a molecule to attract the electrons that is involved in a covalent bond. The bonding pairs of electrons will be attracted to one side of the atom greater than ...

(3 pages) 21 0 0.0 Aug/2005

Subjects: Science Essays > Chemistry


lds two atoms together in a compound. This energy can be further broken down into ionic bonding and covalent bonding. An ionic bond is a chemical bond characterized by attraction between ions of oppos ... een atoms, and can be predicted when one atom has a much higher electronegativity than the other. A covalent bond is a very strong chemical bond formed by the sharing of electrons. Multiple covalent b ...

(1 pages) 11 0 0.0 Sep/2005

Subjects: Science Essays > Chemistry

Ap Biology notes.

, the carbonyl group as opposed to two hydrogen atoms bonded to a carbon in choice a would make the covalent bond between oxygen more polar and therefore would give the molecule more acidic properties ... er - d - 5'-A-T-G-C-3' with 5'-G-C-A-T-3'8) Enzymes that break down DNA catalyzes hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these ...

(4 pages) 40 0 3.7 Sep/2005

Subjects: Science Essays > Biology

Hydrogen Bonding Essay.

e hydrogen has a partial positive charge.Hydrogen bonding is generally stronger than most bonds bar covalent bonds.Water:Bonding within water molecules occur between oxygen and hydrogen. These covalen ... ule, as shown below:Hydrogen bonding is not a type of intramolecular force. Eg. Ionic, metallic and covalent bonding, it is an intermolecular force. An intramolecular force is one that exists between ...

(3 pages) 31 1 4.0 Sep/2005

Subjects: Science Essays > Chemistry

Chemistry of Life.

ically combinedCharacteristics of a compound are different than those of the individual elementsHow covalent bonds form-Most matter is in the form of compoundsMost elements are stable when their outer ... els are full, one way to fill the outer shell is to share electronsMost compounds in organisms have covalent bondsCovalent bonds- the force that holds two atoms together when they share electronsMolec ...

(1 pages) 18 0 3.0 Feb/2006

Subjects: Science Essays > Biology

Compounds And Reactions

atom to form ions. These bonds are between metals and non-metals. Potassium oxide is one example.* Covalent bonds are formed by atoms sharing electrons to form molecules. This type of bond usually fo ...

(1 pages) 20 0 1.0 Apr/2006

Subjects: Science Essays > Chemistry

Allotropes of Carbon

own natural mineral which makes it very rough. In the structure of the diamond, each carbon atom is covalently bonded to four other carbon atoms and has a tetrahedral shape, meaning it is a nonpolar m ... embered rings and each carbon atom is connected to three others. Two of the three bonds is a single covalent bond and the other bond is a double covalent bond. Graphite is very soft and slippery becau ...

(3 pages) 9 0 3.0 May/2007

Subjects: Science Essays > Chemistry


o the active site of the enzyme that was to catalyze such a reaction. As the penicillin attaches, a covalent bond complex is formed that cannot be removed.Antibiotics can also affect enzymes which cat ...

(1 pages) 921 0 0.0 Nov/2001

Subjects: Science Essays > Biology


ule thus formed moves away. Then the lone electrons of both oxygen and hydrogen join and form a new covalent bond.The reverse reaction is also possible and it is called a hydrolysis reaction. Using th ...

(3 pages) 2744 0 0.0 Jan/2008

Subjects: Science Essays > Biology

Chemical bonding

at may have new physical and chemical properties. There are two main kinds of bonds, they ionic and covalent. In bonding the goal of the atoms involved is to reach a level of stability with less energ ... o this, which concludes in an ionic bond or the sharing of electrons with other atoms which makes a covalent bond.Ionic bonds, as you can probably surmise form from ions. Ions are made when an atom ga ...

(2 pages) 8 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Biological Importance of Water

bonds between water molecules.Structure of Water1.Hydrogen bonds because water molecules are polar covalent molecules, it has a slight positive and slight negative charge on opposite ends. Like the p ... refore ice is less dense than liquid water.2. Water as a solventWater is a good solvent. As a polar covalent compound, water can dissolve many substances. It is in fact called “the universal solv ...

(2 pages) 13 0 3.0 Mar/2008

Subjects: Science Essays > Biology

Chemical Bonds (Download PDF attachment for full document with pictures)

s with opposite charges.Examples of Electrostatic Attractive Forces:1. Metallic Bond2. Ionic Bond3. Covalent Bond1. Metallic BondStructure of Metal:-Many electrons are attached to each Cation by Metal ... med between Metals and Non-Metals.- Ionic Bonds are formed through ‘Electron Transfer’.3. Covalent Bond- From the combination of the words: “Co” – sharing; and “Valent ...

(8 pages) 13 0 0.0 Oct/2009

Subjects: Social Science Essays > Education