Molecules and Covalent Bonds Assignment Help

Molecules and Covalent Bonds Assignment Help

There are many chemical bonds that are formed by the covalent bonds and not by the ionic bonds. In a covalent bond, same electrons are shared by several elements. In this kind of bond, the bond stability is derived from the electrostatic attraction shared between atomic nuclei, positively charged and also from the shared electrons, charged negatively. When the atoms associate together for sharing the covalent bonds, the resultant atoms collection is known as a molecule. A molecule is the simplest unit of the covalent compound. There are different ways of representing and drawing molecules. As per the molecular formulas, bonds are determined by numerous methods and by different theories. All the theories make it exceedingly demanding for the Chemistry students to prepare the assignments related to the covalent bonds topic. Therefore, they seek Molecules and Covalent Bonds assignment help from BookMyEssay. We provide expert online assignment help on the topics of Chemical Bonding.

Through the chemical formulas, we come to know the number of atoms of an element is there in a molecule. The structural formulas also provide the information regarding how these atoms are connected. In the structural formulas, we draw covalent bonds that are shared between the atoms. The covalent bonds usually happen between the non-metals. These bonds have no ions and no charges in their compounds. Covalent bonds are weaker when compared to the ionic bonds. An example of this bond is the bond that is formed between the two hydrogen atoms. The chemical bonds occur due to the electrical attraction forces between the atoms and it results in molecules formation. The various kinds of chemical bonds in the compounds are responsible for the chemical and the physical properties of the molecules and the compounds such as melting, hardness, boiling, solubility, and conductivity, etc. The topic of molecules and bonds is really tough. Sometimes the students are not able to understand the topic while sometimes they are not able to finish the essay assignments on time. This makes the students avail Molecules and Covalent Bonds assignment help from BookMyEssay.

Molecules and Covalent Bonds

Covalent bonds are formed between the non-metal atoms. Each bond has a pair of shared electrons and the bond is very strong. The covalent bond substances are of two kinds:

1. Simple molecules
2. giant covalent structures

The simple molecules have only few atoms that are held together by the covalent bonds. For example, carbon dioxide. The molecules of carbon-dioxide have one carbon atom and teo oxygen atoms. The properties of the simple moleculer bonds are:

• Low boling and melting points due to the weak forces among the molecules.
• The substances do not have electric charge and free electrons and therefore are non-conductors of electricity.

The other examples of simple molecules are ammonia, water, methane, and hydrogen. Strong bonds exist between the atoms but weaker forces hold the molecules. When these substances boils or melts, the covalent bonds do not break, only the intermolecular forces break.

Giant Covalent Structures

They have many non-metal atoms and each one is joined to the adjacent atoms through the covalent bonds.They are highly strong structures as many bonds are involved. The properties of the giant covalent structures are the following:

• These substances have high melting points as many covalent bonds need to be broken. The melting point of graphite is very high.
• The conductivity of the substances is variable. Graphite conducts electricity as it has free electrons, Diamond is a non-conductor of electricity. Silicon is a semi-conductor, midway between the conductor and non-conductor. Silicon is hugely used in the electronics industry due to its nature. Most of the transistors consist of silica.

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