Explain about covalent bond with examples.
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Explain about covalent bond with examples.
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Answer:
A covalent bond is a type of chemical bond formed between two atoms when they share electrons. In this bond, the shared electrons are attracted to the nuclei of both atoms, resulting in the formation of a stable molecule. Covalent bonds commonly occur between nonmetal atoms.
Here are a few examples of covalent bonds:
1. Water (H2O): In a water molecule, two hydrogen (H) atoms and one oxygen (O) atom are held together by covalent bonds. Each hydrogen atom shares one electron with the oxygen atom, resulting in two shared pairs of electrons (a single bond) between the oxygen and each hydrogen.
2. Methane (CH4): Methane is a simple hydrocarbon compound consisting of one carbon (C) atom bonded to four hydrogen (H) atoms. Each hydrogen atom shares one electron with the carbon atom, forming four covalent bonds, resulting in a stable methane molecule.
3. Oxygen (O2): Molecular oxygen consists of two oxygen atoms held together by a double covalent bond. Each oxygen atom shares two electrons with the other, resulting in a stable oxygen molecule.
4. Carbon dioxide (CO2): Carbon dioxide is composed of one carbon atom and two oxygen atoms. The carbon atom forms two double bonds, with one oxygen atom in each bond. Each oxygen atom shares two electrons with the carbon atom, resulting in a stable carbon dioxide molecule.
5. Ethanol (C2H5OH): Ethanol is a common organic compound found in alcoholic beverages. It consists of two carbon atoms, six hydrogen atoms, and one oxygen atom. Covalent bonds form between the carbon, hydrogen, and oxygen atoms, resulting in a stable ethanol molecule.
These examples illustrate how covalent bonds are formed by the sharing of electrons between atoms, creating stable molecules. Covalent bonds are essential in the formation of various compounds and play a crucial role in the structure and properties of many substances in chemistry and biology.
Answer:
covalent bonds
Explanation:
Covalent Bonding. Covalent bonds involve the sharing of electrons, often between two non-metals. Covalent bonds can occur between atoms of the same or different elements. eg hydrogen (H₂), oxygen (O₂), nitrogen (N₂), water (H₂O), and methane(CH₄)