just go to http://books.pearsonsuccessnet.com/ph/cd/0-13-368043-6/iText/phs_physical_sci_main.html?chapter=null&page=165&anchory=null
and you should get the answer
The covalent bond is based on the electrostatic attraction of ions; in the covalent bond electrons are shared.
Silicon compounds can exhibit both ionic and covalent bonding. Compounds such as silicon dioxide (SiO2) have a covalent structure, while compounds like silicon carbide (SiC) can have more ionic character. The nature of bonding in silicon compounds depends on the electronegativity difference between silicon and the other elements involved.
Covalent bonds are primarily used to form molecules by sharing electrons between two atoms. These bonds are strong and stable, making them ideal for building complex structures in organic compounds and other chemical substances.
Most covalent compounds have relatively low melting and boiling points, as they are held together by weak intermolecular forces. They are usually insoluble in water but soluble in nonpolar solvents. Covalent compounds tend to be nonconductors of electricity in their solid form.
Most foods contain covalent bonds in their molecular structures. Covalent bonds are formed when atoms share electrons to create a stable molecule, so most organic compounds found in food such as carbohydrates, lipids, and proteins have covalent bonds.
Liquids or gases.
Covalent compounds are most likely formed from nonmetals or a combination of nonmetals and metalloids. In these compounds, atoms share electrons to achieve a stable electron configuration. Examples of covalent compounds include water (H2O) and carbon dioxide (CO2).
The diverse properties of covalent compounds arise from the varying strengths of the covalent bonds between atoms, different molecular structures, and the types of atoms involved. Factors like bond polarity, molecular shape, and intermolecular forces can all contribute to the wide range of physical and chemical properties exhibited by covalent compounds.
Yes, silicon can form covalent bonds. It commonly forms covalent bonds with other silicon atoms in crystalline structures like silicon dioxide (SiO2) and inorganic compounds.
Covalent compounds can be solids, liquids or gases.
Gasoline is primarily composed of covalent compounds. It is a mixture of hydrocarbons such as octane and heptane, which are made up of covalent bonds between carbon and hydrogen atoms. These covalent bonds are formed through the sharing of electrons between atoms.
Covalent compounds have shared electrons between atoms.