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Front

What is the definition of a chemical bond?

Back

A chemical bond is a lasting attraction between atoms, ions, or molecules that enables the formation of chemical compounds.

Front

What are the main types of chemical bonds?

Back

The main types of chemical bonds are ionic bonds, covalent bonds, and metallic bonds.

Front

Define ionic bond.

Back

An ionic bond is a type of chemical bond that occurs when one atom transfers electrons to another atom, resulting in the formation of charged ions that attract each other.

Front

Define covalent bond.

Back

A covalent bond is a type of chemical bond that involves the sharing of electron pairs between atoms.

Front

What is a polar covalent bond?

Back

A polar covalent bond is a type of covalent bond where the electrons are shared unequally between the two atoms, leading to a partial positive charge on one atom and a partial negative charge on the other.

Front

What is electronegativity?

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

Front

How does electronegativity affect bond type?

Back

The difference in electronegativity between two atoms determines the type of bond formed: a large difference leads to ionic bonds, a moderate difference leads to polar covalent bonds, and a small difference leads to nonpolar covalent bonds.

Front

What is a metallic bond?

Back

A metallic bond is a type of chemical bond that occurs between metal atoms, characterized by a 'sea of electrons' that are free to move around, allowing for conductivity and malleability.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to form bonds in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration.

Front

Define valence electrons.

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.